NP-MRD: Showing NP-Card for 6-(3,7-dimethylocta-2,6-dien-1-yl)-3,7-dihydroxy-2-(4-hydroxyphenyl)-5-methoxy-2,3-dihydro-1-benzopyran-4-one (NP0224963)

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Record Information

Version

2.0

Created at

2022-09-06 03:32:56 UTC

Updated at

2022-09-06 03:32:56 UTC

NP-MRD ID

NP0224963

Secondary Accession Numbers

None

Natural Product Identification

Common Name

6-(3,7-dimethylocta-2,6-dien-1-yl)-3,7-dihydroxy-2-(4-hydroxyphenyl)-5-methoxy-2,3-dihydro-1-benzopyran-4-one

Description

6-(3,7-Dimethylocta-2,6-dien-1-yl)-3,7-dihydroxy-2-(4-hydroxyphenyl)-5-methoxy-3,4-dihydro-2H-1-benzopyran-4-one belongs to the class of organic compounds known as 6-prenylated flavanones. These are flavanones that features a C5-isoprenoid substituent at the 6-position. 6-(3,7-Dimethylocta-2,6-dien-1-yl)-3,7-dihydroxy-2-(4-hydroxyphenyl)-5-methoxy-3,4-dihydro-2H-1-benzopyran-4-one is an extremely weak basic (essentially neutral) compound (based on its pKa).

Structure

MOL SDF PDB SMILES InChI


  Mrv1533004171522212D          

 32 34  0  0  0  0            999 V2000
    2.1434   -2.8875    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.4289   -2.4750    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    1.4289   -1.6500    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.7145   -1.2375    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.0000   -1.6500    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.0000   -2.4750    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.7145   -2.8875    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.4289   -2.4750    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.7145   -3.7125    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.4289   -4.1250    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.4289   -4.9500    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -2.1434   -5.3625    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -2.1434   -6.1875    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -2.8579   -4.9500    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.7145   -0.4125    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.0000    0.0000    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    1.4289    0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.1434   -0.4125    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.8579    0.0000    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    3.5724   -0.4125    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    3.5724   -1.2375    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.2868   -1.6500    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    2.8579   -1.6500    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.8579   -2.4750    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    2.1434   -1.2375    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.2868   -0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.2868    0.8250    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    5.0013    1.2375    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    5.7158    0.8250    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    6.4302    1.2375    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    5.7158   -0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    5.0013   -0.4125    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  1  0  0  0  0
  2  3  1  0  0  0  0
  3  4  2  0  0  0  0
  4  5  1  0  0  0  0
  6  5  1  4  0  0  0
  6  7  2  0  0  0  0
  7  8  1  0  0  0  0
  7  9  1  0  0  0  0
  9 10  1  0  0  0  0
 10 11  1  0  0  0  0
 11 12  2  0  0  0  0
 12 13  1  0  0  0  0
 12 14  1  0  0  0  0
  4 15  1  0  0  0  0
 15 16  1  0  0  0  0
 15 17  2  0  0  0  0
 17 18  1  0  0  0  0
 18 19  1  0  0  0  0
 19 20  1  0  0  0  0
 20 21  1  0  0  0  0
 21 22  1  0  0  0  0
 21 23  1  0  0  0  0
 23 24  2  0  0  0  0
 23 25  1  0  0  0  0
  3 25  1  0  0  0  0
 18 25  2  0  0  0  0
 20 26  1  0  0  0  0
 26 27  2  0  0  0  0
 27 28  1  0  0  0  0
 28 29  2  0  0  0  0
 29 30  1  0  0  0  0
 29 31  1  0  0  0  0
 31 32  2  0  0  0  0
 26 32  1  0  0  0  0
M  END


  Mrv1533004171522212D          

 32 34  0  0  0  0            999 V2000
    2.1434   -2.8875    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.4289   -2.4750    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    1.4289   -1.6500    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.7145   -1.2375    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.0000   -1.6500    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.0000   -2.4750    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.7145   -2.8875    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.4289   -2.4750    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.7145   -3.7125    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.4289   -4.1250    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.4289   -4.9500    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -2.1434   -5.3625    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -2.1434   -6.1875    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -2.8579   -4.9500    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.7145   -0.4125    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.0000    0.0000    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    1.4289    0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.1434   -0.4125    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.8579    0.0000    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    3.5724   -0.4125    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    3.5724   -1.2375    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.2868   -1.6500    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    2.8579   -1.6500    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.8579   -2.4750    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    2.1434   -1.2375    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.2868   -0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.2868    0.8250    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    5.0013    1.2375    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    5.7158    0.8250    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    6.4302    1.2375    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    5.7158   -0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    5.0013   -0.4125    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  1  0  0  0  0
  2  3  1  0  0  0  0
  3  4  2  0  0  0  0
  4  5  1  0  0  0  0
  6  5  1  4  0  0  0
  6  7  2  0  0  0  0
  7  8  1  0  0  0  0
  7  9  1  0  0  0  0
  9 10  1  0  0  0  0
 10 11  1  0  0  0  0
 11 12  2  0  0  0  0
 12 13  1  0  0  0  0
 12 14  1  0  0  0  0
  4 15  1  0  0  0  0
 15 16  1  0  0  0  0
 15 17  2  0  0  0  0
 17 18  1  0  0  0  0
 18 19  1  0  0  0  0
 19 20  1  0  0  0  0
 20 21  1  0  0  0  0
 21 22  1  0  0  0  0
 21 23  1  0  0  0  0
 23 24  2  0  0  0  0
 23 25  1  0  0  0  0
  3 25  1  0  0  0  0
 18 25  2  0  0  0  0
 20 26  1  0  0  0  0
 26 27  2  0  0  0  0
 27 28  1  0  0  0  0
 28 29  2  0  0  0  0
 29 30  1  0  0  0  0
 29 31  1  0  0  0  0
 31 32  2  0  0  0  0
 26 32  1  0  0  0  0
M  END
> <DATABASE_ID>
NP0224963

> <DATABASE_NAME>
NP-MRD

> <SMILES>
COC1=C(CC=C(C)CCC=C(C)C)C(O)=CC2=C1C(=O)C(O)C(O2)C1=CC=C(O)C=C1

> <INCHI_IDENTIFIER>
InChI=1S/C26H30O6/c1-15(2)6-5-7-16(3)8-13-19-20(28)14-21-22(26(19)31-4)23(29)24(30)25(32-21)17-9-11-18(27)12-10-17/h6,8-12,14,24-25,27-28,30H,5,7,13H2,1-4H3

> <INCHI_KEY>
PCDCRSMTQCVANJ-UHFFFAOYSA-N

> <FORMULA>
C26H30O6

> <MOLECULAR_WEIGHT>
438.52

> <EXACT_MASS>
438.204238686

> <JCHEM_ACCEPTOR_COUNT>
6

> <JCHEM_ATOM_COUNT>
62

> <JCHEM_AVERAGE_POLARIZABILITY>
48.39609662348287

> <JCHEM_BIOAVAILABILITY>
1

> <JCHEM_DONOR_COUNT>
3

> <JCHEM_FORMAL_CHARGE>
0

> <JCHEM_GHOSE_FILTER>
1

> <JCHEM_IUPAC>
6-(3,7-dimethylocta-2,6-dien-1-yl)-3,7-dihydroxy-2-(4-hydroxyphenyl)-5-methoxy-3,4-dihydro-2H-1-benzopyran-4-one

> <ALOGPS_LOGP>
4.36

> <JCHEM_LOGP>
5.004124920000001

> <ALOGPS_LOGS>
-5.03

> <JCHEM_MDDR_LIKE_RULE>
1

> <JCHEM_NUMBER_OF_RINGS>
3

> <JCHEM_PHYSIOLOGICAL_CHARGE>
0

> <JCHEM_PKA>
9.474057842052764

> <JCHEM_PKA_STRONGEST_ACIDIC>
7.559940616041993

> <JCHEM_PKA_STRONGEST_BASIC>
-4.037867294790591

> <JCHEM_POLAR_SURFACE_AREA>
96.22000000000001

> <JCHEM_REFRACTIVITY>
125.15569999999998

> <JCHEM_ROTATABLE_BOND_COUNT>
7

> <JCHEM_RULE_OF_FIVE>
0

> <ALOGPS_SOLUBILITY>
4.08e-03 g/l

> <JCHEM_TRADITIONAL_IUPAC>
6-(3,7-dimethylocta-2,6-dien-1-yl)-3,7-dihydroxy-2-(4-hydroxyphenyl)-5-methoxy-2,3-dihydro-1-benzopyran-4-one

> <JCHEM_VEBER_RULE>
0

$$$$

HEADER    PROTEIN                                 17-APR-15   NONE
TITLE     NULL                                                        
COMPND    NULL                                                        
SOURCE    NULL                                                        
KEYWDS    NULL                                                        
EXPDTA    NULL                                                        
AUTHOR    Marvin                                                      
REVDAT   1   17-APR-15         0                                  
HETATM    1  C   UNK     0       4.001  -5.390   0.000  0.00  0.00           C+0
HETATM    2  O   UNK     0       2.667  -4.620   0.000  0.00  0.00           O+0
HETATM    3  C   UNK     0       2.667  -3.080   0.000  0.00  0.00           C+0
HETATM    4  C   UNK     0       1.334  -2.310   0.000  0.00  0.00           C+0
HETATM    5  C   UNK     0       0.000  -3.080   0.000  0.00  0.00           C+0
HETATM    6  C   UNK     0       0.000  -4.620   0.000  0.00  0.00           C+0
HETATM    7  C   UNK     0      -1.334  -5.390   0.000  0.00  0.00           C+0
HETATM    8  C   UNK     0      -2.667  -4.620   0.000  0.00  0.00           C+0
HETATM    9  C   UNK     0      -1.334  -6.930   0.000  0.00  0.00           C+0
HETATM   10  C   UNK     0      -2.667  -7.700   0.000  0.00  0.00           C+0
HETATM   11  C   UNK     0      -2.667  -9.240   0.000  0.00  0.00           C+0
HETATM   12  C   UNK     0      -4.001 -10.010   0.000  0.00  0.00           C+0
HETATM   13  C   UNK     0      -4.001 -11.550   0.000  0.00  0.00           C+0
HETATM   14  C   UNK     0      -5.335  -9.240   0.000  0.00  0.00           C+0
HETATM   15  C   UNK     0       1.334  -0.770   0.000  0.00  0.00           C+0
HETATM   16  O   UNK     0       0.000   0.000   0.000  0.00  0.00           O+0
HETATM   17  C   UNK     0       2.667   0.000   0.000  0.00  0.00           C+0
HETATM   18  C   UNK     0       4.001  -0.770   0.000  0.00  0.00           C+0
HETATM   19  O   UNK     0       5.335   0.000   0.000  0.00  0.00           O+0
HETATM   20  C   UNK     0       6.668  -0.770   0.000  0.00  0.00           C+0
HETATM   21  C   UNK     0       6.668  -2.310   0.000  0.00  0.00           C+0
HETATM   22  O   UNK     0       8.002  -3.080   0.000  0.00  0.00           O+0
HETATM   23  C   UNK     0       5.335  -3.080   0.000  0.00  0.00           C+0
HETATM   24  O   UNK     0       5.335  -4.620   0.000  0.00  0.00           O+0
HETATM   25  C   UNK     0       4.001  -2.310   0.000  0.00  0.00           C+0
HETATM   26  C   UNK     0       8.002  -0.000   0.000  0.00  0.00           C+0
HETATM   27  C   UNK     0       8.002   1.540   0.000  0.00  0.00           C+0
HETATM   28  C   UNK     0       9.336   2.310   0.000  0.00  0.00           C+0
HETATM   29  C   UNK     0      10.669   1.540   0.000  0.00  0.00           C+0
HETATM   30  O   UNK     0      12.003   2.310   0.000  0.00  0.00           O+0
HETATM   31  C   UNK     0      10.669  -0.000   0.000  0.00  0.00           C+0
HETATM   32  C   UNK     0       9.336  -0.770   0.000  0.00  0.00           C+0
CONECT    1    2                                                            
CONECT    2    1    3                                                       
CONECT    3    2    4   25                                                  
CONECT    4    3    5   15                                                  
CONECT    5    4    6                                                       
CONECT    6    5    7                                                       
CONECT    7    6    8    9                                                  
CONECT    8    7                                                            
CONECT    9    7   10                                                       
CONECT   10    9   11                                                       
CONECT   11   10   12                                                       
CONECT   12   11   13   14                                                  
CONECT   13   12                                                            
CONECT   14   12                                                            
CONECT   15    4   16   17                                                  
CONECT   16   15                                                            
CONECT   17   15   18                                                       
CONECT   18   17   19   25                                                  
CONECT   19   18   20                                                       
CONECT   20   19   21   26                                                  
CONECT   21   20   22   23                                                  
CONECT   22   21                                                            
CONECT   23   21   24   25                                                  
CONECT   24   23                                                            
CONECT   25   23    3   18                                                  
CONECT   26   20   27   32                                                  
CONECT   27   26   28                                                       
CONECT   28   27   29                                                       
CONECT   29   28   30   31                                                  
CONECT   30   29                                                            
CONECT   31   29   32                                                       
CONECT   32   31   26                                                       
MASTER        0    0    0    0    0    0    0    0   32    0   68    0
END

View in JSmol

Synonyms

Not Available

Chemical Formula

C₂₆H₃₀O₆

Average Mass

438.5200 Da

Monoisotopic Mass

438.20424 Da

IUPAC Name

6-(3,7-dimethylocta-2,6-dien-1-yl)-3,7-dihydroxy-2-(4-hydroxyphenyl)-5-methoxy-3,4-dihydro-2H-1-benzopyran-4-one

Traditional Name

6-(3,7-dimethylocta-2,6-dien-1-yl)-3,7-dihydroxy-2-(4-hydroxyphenyl)-5-methoxy-2,3-dihydro-1-benzopyran-4-one

CAS Registry Number

Not Available

SMILES

COC1=C(CC=C(C)CCC=C(C)C)C(O)=CC2=C1C(=O)C(O)C(O2)C1=CC=C(O)C=C1

InChI Identifier

InChI=1S/C26H30O6/c1-15(2)6-5-7-16(3)8-13-19-20(28)14-21-22(26(19)31-4)23(29)24(30)25(32-21)17-9-11-18(27)12-10-17/h6,8-12,14,24-25,27-28,30H,5,7,13H2,1-4H3

InChI Key

PCDCRSMTQCVANJ-UHFFFAOYSA-N

Experimental Spectra

Not Available

Predicted Spectra

Not Available

Chemical Shift Submissions

Not Available

Species

Species of Origin

Not Available

Chemical Taxonomy

Description

Belongs to the class of organic compounds known as 6-prenylated flavanones. These are flavanones that features a C5-isoprenoid substituent at the 6-position.

Kingdom

Organic compounds

Super Class

Phenylpropanoids and polyketides

Class

Flavonoids

Sub Class

Flavans

Direct Parent

6-prenylated flavanones

Alternative Parents

Substituents

6-prenylated flavanone
5-methoxyflavonoid-skeleton
3-hydroxyflavonoid
4'-hydroxyflavonoid
7-hydroxyflavonoid
Flavanone
Flavanonol
Hydroxyflavonoid
Chromone
Aromatic monoterpenoid
Chromane
Benzopyran
Bicyclic monoterpenoid
Monoterpenoid
1-benzopyran
Aryl alkyl ketone
Aryl ketone
Phenol ether
Anisole
Alkyl aryl ether
1-hydroxy-2-unsubstituted benzenoid
Phenol
Benzenoid
Monocyclic benzene moiety
Ketone
Secondary alcohol
Ether
Organoheterocyclic compound
Oxacycle
Organic oxygen compound
Organooxygen compound
Organic oxide
Hydrocarbon derivative
Alcohol
Aromatic heteropolycyclic compound

Molecular Framework

Aromatic heteropolycyclic compounds

External Descriptors

Not Available

Physical Properties

State

Not Available

Experimental Properties

Property	Value	Reference
Melting Point	Not Available	Not Available
Boiling Point	Not Available	Not Available
Water Solubility	Not Available	Not Available
LogP	Not Available	Not Available

Predicted Properties

Property	Value	Source
logP	4.36	ALOGPS
logP	5	ChemAxon
logS	-5	ALOGPS
pKa (Strongest Acidic)	7.56	ChemAxon
pKa (Strongest Basic)	-4	ChemAxon
Physiological Charge	0	ChemAxon
Hydrogen Acceptor Count	6	ChemAxon
Hydrogen Donor Count	3	ChemAxon
Polar Surface Area	96.22 Å²	ChemAxon
Rotatable Bond Count	7	ChemAxon
Refractivity	125.16 m³·mol⁻¹	ChemAxon
Polarizability	48.4 Å³	ChemAxon
Number of Rings	3	ChemAxon
Bioavailability	Yes	ChemAxon
Rule of Five	No	ChemAxon
Ghose Filter	Yes	ChemAxon
Veber's Rule	No	ChemAxon
MDDR-like Rule	Yes	ChemAxon

External Links

HMDB ID

Not Available

DrugBank ID

Not Available

Phenol Explorer Compound ID

Not Available

FoodDB ID

Not Available

KNApSAcK ID

Not Available

Chemspider ID

Not Available

KEGG Compound ID

Not Available

BioCyc ID

Not Available

BiGG ID

Not Available

Wikipedia Link

Not Available

METLIN ID

Not Available

PubChem Compound

73829904

PDB ID

Not Available

ChEBI ID

Not Available

Good Scents ID

Not Available

References

General References

LOTUS database [Link]

Showing NP-Card for 6-(3,7-dimethylocta-2,6-dien-1-yl)-3,7-dihydroxy-2-(4-hydroxyphenyl)-5-methoxy-2,3-dihydro-1-benzopyran-4-one (NP0224963)

MOL for NP0224963 (6-(3,7-dimethylocta-2,6-dien-1-yl)-3,7-dihydroxy-2-(4-hydroxyphenyl)-5-methoxy-2,3-dihydro-1-benzopyran-4-one)

3D MOL for NP0224963 (6-(3,7-dimethylocta-2,6-dien-1-yl)-3,7-dihydroxy-2-(4-hydroxyphenyl)-5-methoxy-2,3-dihydro-1-benzopyran-4-one)

3D SDF for NP0224963 (6-(3,7-dimethylocta-2,6-dien-1-yl)-3,7-dihydroxy-2-(4-hydroxyphenyl)-5-methoxy-2,3-dihydro-1-benzopyran-4-one)

3D-SDF for NP0224963 (6-(3,7-dimethylocta-2,6-dien-1-yl)-3,7-dihydroxy-2-(4-hydroxyphenyl)-5-methoxy-2,3-dihydro-1-benzopyran-4-one)

PDB for NP0224963 (6-(3,7-dimethylocta-2,6-dien-1-yl)-3,7-dihydroxy-2-(4-hydroxyphenyl)-5-methoxy-2,3-dihydro-1-benzopyran-4-one)

3D PDB for NP0224963 (6-(3,7-dimethylocta-2,6-dien-1-yl)-3,7-dihydroxy-2-(4-hydroxyphenyl)-5-methoxy-2,3-dihydro-1-benzopyran-4-one)

SMILES for NP0224963 (6-(3,7-dimethylocta-2,6-dien-1-yl)-3,7-dihydroxy-2-(4-hydroxyphenyl)-5-methoxy-2,3-dihydro-1-benzopyran-4-one)

INCHI for NP0224963 (6-(3,7-dimethylocta-2,6-dien-1-yl)-3,7-dihydroxy-2-(4-hydroxyphenyl)-5-methoxy-2,3-dihydro-1-benzopyran-4-one)

Structure for NP0224963 (6-(3,7-dimethylocta-2,6-dien-1-yl)-3,7-dihydroxy-2-(4-hydroxyphenyl)-5-methoxy-2,3-dihydro-1-benzopyran-4-one)

3D Structure for NP0224963 (6-(3,7-dimethylocta-2,6-dien-1-yl)-3,7-dihydroxy-2-(4-hydroxyphenyl)-5-methoxy-2,3-dihydro-1-benzopyran-4-one)