NP-MRD: Showing NP-Card for (1s,13r)-5,7-dioxa-12-azapentacyclo[10.5.2.0¹,¹³.0²,¹⁰.0⁴,⁸]nonadeca-2,4(8),9,16-tetraen-15-one (NP0257595)

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Record Information

Version

2.0

Created at

2022-09-07 22:45:53 UTC

Updated at

2022-09-07 22:45:53 UTC

NP-MRD ID

NP0257595

Secondary Accession Numbers

None

Natural Product Identification

Common Name

(1s,13r)-5,7-dioxa-12-azapentacyclo[10.5.2.0¹,¹³.0²,¹⁰.0⁴,⁸]nonadeca-2,4(8),9,16-tetraen-15-one

Description

(?)-Oxocrinine belongs to the class of organic compounds known as phenanthridines and derivatives. These are polycyclic compounds containing a phenanthridine moiety, which is a tricyclic system with two benzene rings joined by a pyridine forming a non-linear skeleton. Hydrogenated derivatives are also included. (1s,13r)-5,7-dioxa-12-azapentacyclo[10.5.2.0¹,¹³.0²,¹⁰.0⁴,⁸]nonadeca-2,4(8),9,16-tetraen-15-one is found in Crinum americanum. Based on a literature review very few articles have been published on (?)-Oxocrinine.

Structure

MOL 3D MOL SDF PDB SMILES InChI

     RDKit          3D

 35 39  0  0  0  0  0  0  0  0999 V2000
   -4.4065   -2.1255   -0.8925 O   0  0  0  0  0  0  0  0  0  0  0  0
   -3.3331   -1.6213   -0.4747 C   0  0  0  0  0  0  0  0  0  0  0  0
   -2.2883   -2.4671    0.0444 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.1519   -1.9487    0.4398 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.8814   -0.5262    0.3805 C   0  0  1  0  0  0  0  0  0  0  0  0
   -1.0992    0.0950    1.7616 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.6114    1.4643    1.4909 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.6020    1.6324    0.0345 N   0  0  0  0  0  0  0  0  0  0  0  0
   -0.3195    2.1747   -0.2986 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.7591    1.1343   -0.3473 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.0404    1.5268   -0.7341 C   0  0  0  0  0  0  0  0  0  0  0  0
    3.0981    0.6497   -0.8119 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.8291   -0.6601   -0.4838 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.5494   -1.0648   -0.0948 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.5186   -0.1833   -0.0244 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.0115   -1.3935   -0.6204 O   0  0  0  0  0  0  0  0  0  0  0  0
    5.0782   -0.4549   -0.7690 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.4454    0.7595   -1.1577 O   0  0  0  0  0  0  0  0  0  0  0  0
   -1.7647    0.2910   -0.4949 C   0  0  2  0  0  0  0  0  0  0  0  0
   -3.2037   -0.1431   -0.5435 C   0  0  0  0  0  0  0  0  0  0  0  0
   -2.4724   -3.5587    0.0988 H   0  0  0  0  0  0  0  0  0  0  0  0
   -0.4203   -2.6332    0.8235 H   0  0  0  0  0  0  0  0  0  0  0  0
   -1.8349   -0.5564    2.2800 H   0  0  0  0  0  0  0  0  0  0  0  0
   -0.1400    0.0904    2.3141 H   0  0  0  0  0  0  0  0  0  0  0  0
   -2.6700    1.5251    1.8305 H   0  0  0  0  0  0  0  0  0  0  0  0
   -1.0335    2.2596    1.9908 H   0  0  0  0  0  0  0  0  0  0  0  0
   -0.3115    2.7277   -1.2595 H   0  0  0  0  0  0  0  0  0  0  0  0
   -0.0218    2.8863    0.5172 H   0  0  0  0  0  0  0  0  0  0  0  0
    2.2462    2.5587   -0.9912 H   0  0  0  0  0  0  0  0  0  0  0  0
    1.3586   -2.1012    0.1585 H   0  0  0  0  0  0  0  0  0  0  0  0
    5.6427   -0.3465    0.1721 H   0  0  0  0  0  0  0  0  0  0  0  0
    5.7118   -0.7746   -1.6239 H   0  0  0  0  0  0  0  0  0  0  0  0
   -1.3300    0.3069   -1.5180 H   0  0  0  0  0  0  0  0  0  0  0  0
   -3.6406    0.1892   -1.5079 H   0  0  0  0  0  0  0  0  0  0  0  0
   -3.7525    0.2877    0.3109 H   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  2  0
  2 20  1  0
 20 19  1  0
 19  8  1  0
  8  7  1  0
  7  6  1  0
  6  5  1  0
  5  4  1  1
  4  3  2  0
  5 15  1  0
 15 14  2  0
 14 13  1  0
 13 12  2  0
 12 18  1  0
 18 17  1  0
 17 16  1  0
 12 11  1  0
 11 10  2  0
 10  9  1  0
  3  2  1  0
 10 15  1  0
  5 19  1  0
 16 13  1  0
  9  8  1  0
 20 34  1  0
 20 35  1  0
 19 33  1  6
  7 25  1  0
  7 26  1  0
  6 23  1  0
  6 24  1  0
  4 22  1  0
  3 21  1  0
 14 30  1  0
 17 31  1  0
 17 32  1  0
 11 29  1  0
  9 27  1  0
  9 28  1  0
M  END


  Mrv1652309082200452D          

 20 24  0  0  1  0            999 V2000
   -1.2385   -0.9355    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
   -0.4204   -0.8292    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.1034   -0.0675    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.7147    0.0389    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.2158   -0.6165    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0
    0.5015   -1.0291    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.3787   -1.8450    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.9400   -2.4496    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0
    1.7627   -2.3877    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.2272   -1.7060    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    3.0316   -1.8893    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    3.5926   -1.2844    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    3.3492   -0.4961    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.5449   -0.3128    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.9839   -0.9177    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.0237   -0.0211    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    4.6840   -0.5158    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.4175   -1.2966    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    0.8989   -1.3781    0.0000 C   0  0  2  0  0  0  0  0  0  0  0  0
    0.0808   -1.4845    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  2  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
  5  6  1  6  0  0  0
  6  7  1  0  0  0  0
  7  8  1  0  0  0  0
  8  9  1  0  0  0  0
  9 10  1  0  0  0  0
 10 11  2  0  0  0  0
 11 12  1  0  0  0  0
 12 13  2  0  0  0  0
 13 14  1  0  0  0  0
 14 15  2  0  0  0  0
 10 15  1  0  0  0  0
  5 15  1  0  0  0  0
 13 16  1  0  0  0  0
 16 17  1  0  0  0  0
 17 18  1  0  0  0  0
 12 18  1  0  0  0  0
 19  8  1  6  0  0  0
  5 19  1  0  0  0  0
 19 20  1  0  0  0  0
  2 20  1  0  0  0  0
M  END
> <DATABASE_ID>
NP0257595

> <DATABASE_NAME>
NP-MRD

> <SMILES>
O=C1C[C@H]2N3CC[C@]2(C=C1)C1=CC2=C(OCO2)C=C1C3

> <INCHI_IDENTIFIER>
InChI=1S/C16H15NO3/c18-11-1-2-16-3-4-17(15(16)6-11)8-10-5-13-14(7-12(10)16)20-9-19-13/h1-2,5,7,15H,3-4,6,8-9H2/t15-,16-/m1/s1

> <INCHI_KEY>
LUMDZQACZMCPFS-HZPDHXFCSA-N

> <FORMULA>
C16H15NO3

> <MOLECULAR_WEIGHT>
269.3

> <EXACT_MASS>
269.105193347

> <JCHEM_ACCEPTOR_COUNT>
4

> <JCHEM_ATOM_COUNT>
35

> <JCHEM_AVERAGE_POLARIZABILITY>
28.14711200548469

> <JCHEM_BIOAVAILABILITY>
1

> <JCHEM_DONOR_COUNT>
0

> <JCHEM_FORMAL_CHARGE>
0

> <JCHEM_GHOSE_FILTER>
1

> <JCHEM_IUPAC>
(1S,13R)-5,7-dioxa-12-azapentacyclo[10.5.2.0^{1,13}.0^{2,10}.0^{4,8}]nonadeca-2,4(8),9,16-tetraen-15-one

> <JCHEM_LOGP>
1.7416587566666664

> <JCHEM_MDDR_LIKE_RULE>
0

> <JCHEM_NUMBER_OF_RINGS>
5

> <JCHEM_PHYSIOLOGICAL_CHARGE>
1

> <JCHEM_PKA_STRONGEST_ACIDIC>
17.919767045657043

> <JCHEM_PKA_STRONGEST_BASIC>
7.981585215092324

> <JCHEM_POLAR_SURFACE_AREA>
38.77

> <JCHEM_REFRACTIVITY>
74.1376

> <JCHEM_ROTATABLE_BOND_COUNT>
0

> <JCHEM_RULE_OF_FIVE>
1

> <JCHEM_TRADITIONAL_IUPAC>
(1S,13R)-5,7-dioxa-12-azapentacyclo[10.5.2.0^{1,13}.0^{2,10}.0^{4,8}]nonadeca-2,4(8),9,16-tetraen-15-one

> <JCHEM_VEBER_RULE>
1

$$$$

HEADER    PROTEIN                                 08-SEP-22   NONE
TITLE     NULL                                                        
COMPND    NULL                                                        
SOURCE    NULL                                                        
KEYWDS    NULL                                                        
EXPDTA    NULL                                                        
AUTHOR    Marvin                                                      
REVDAT   1   08-SEP-22         0                                  
HETATM    1  O   UNK     0      -2.312  -1.746   0.000  0.00  0.00           O+0
HETATM    2  C   UNK     0      -0.785  -1.548   0.000  0.00  0.00           C+0
HETATM    3  C   UNK     0      -0.193  -0.126   0.000  0.00  0.00           C+0
HETATM    4  C   UNK     0       1.334   0.073   0.000  0.00  0.00           C+0
HETATM    5  C   UNK     0       2.270  -1.151   0.000  0.00  0.00           C+0
HETATM    6  C   UNK     0       0.936  -1.921   0.000  0.00  0.00           C+0
HETATM    7  C   UNK     0       0.707  -3.444   0.000  0.00  0.00           C+0
HETATM    8  N   UNK     0       1.755  -4.573   0.000  0.00  0.00           N+0
HETATM    9  C   UNK     0       3.290  -4.457   0.000  0.00  0.00           C+0
HETATM   10  C   UNK     0       4.158  -3.184   0.000  0.00  0.00           C+0
HETATM   11  C   UNK     0       5.659  -3.527   0.000  0.00  0.00           C+0
HETATM   12  C   UNK     0       6.706  -2.398   0.000  0.00  0.00           C+0
HETATM   13  C   UNK     0       6.252  -0.926   0.000  0.00  0.00           C+0
HETATM   14  C   UNK     0       4.750  -0.584   0.000  0.00  0.00           C+0
HETATM   15  C   UNK     0       3.703  -1.713   0.000  0.00  0.00           C+0
HETATM   16  O   UNK     0       7.511  -0.039   0.000  0.00  0.00           O+0
HETATM   17  C   UNK     0       8.743  -0.963   0.000  0.00  0.00           C+0
HETATM   18  O   UNK     0       8.246  -2.420   0.000  0.00  0.00           O+0
HETATM   19  C   UNK     0       1.678  -2.573   0.000  0.00  0.00           C+0
HETATM   20  C   UNK     0       0.151  -2.771   0.000  0.00  0.00           C+0
CONECT    1    2                                                            
CONECT    2    1    3   20                                                  
CONECT    3    2    4                                                       
CONECT    4    3    5                                                       
CONECT    5    4    6   15   19                                             
CONECT    6    5    7                                                       
CONECT    7    6    8                                                       
CONECT    8    7    9   19                                                  
CONECT    9    8   10                                                       
CONECT   10    9   11   15                                                  
CONECT   11   10   12                                                       
CONECT   12   11   13   18                                                  
CONECT   13   12   14   16                                                  
CONECT   14   13   15                                                       
CONECT   15   14   10    5                                                  
CONECT   16   13   17                                                       
CONECT   17   16   18                                                       
CONECT   18   17   12                                                       
CONECT   19    8    5   20                                                  
CONECT   20   19    2                                                       
MASTER        0    0    0    0    0    0    0    0   20    0   48    0
END

View in JSmol

Synonyms

Not Available

Chemical Formula

C₁₆H₁₅NO₃

Average Mass

269.3000 Da

Monoisotopic Mass

269.10519 Da

IUPAC Name

(1S,13R)-5,7-dioxa-12-azapentacyclo[10.5.2.0^{1,13}.0^{2,10}.0^{4,8}]nonadeca-2,4(8),9,16-tetraen-15-one

Traditional Name

(1S,13R)-5,7-dioxa-12-azapentacyclo[10.5.2.0^{1,13}.0^{2,10}.0^{4,8}]nonadeca-2,4(8),9,16-tetraen-15-one

CAS Registry Number

Not Available

SMILES

O=C1C[C@H]2N3CC[C@]2(C=C1)C1=CC2=C(OCO2)C=C1C3

InChI Identifier

InChI=1S/C16H15NO3/c18-11-1-2-16-3-4-17(15(16)6-11)8-10-5-13-14(7-12(10)16)20-9-19-13/h1-2,5,7,15H,3-4,6,8-9H2/t15-,16-/m1/s1

InChI Key

LUMDZQACZMCPFS-HZPDHXFCSA-N

Experimental Spectra

Not Available

Predicted Spectra

Spectrum Type	Description	Depositor ID	Depositor Organization	Depositor	Deposition Date	View
1D NMR	¹³C NMR Spectrum (1D, 25 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 100 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 252 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 1000 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 50 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 200 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 75 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 300 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 101 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 400 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 126 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 500 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 151 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 600 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 176 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 700 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 201 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 800 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 226 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 900 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum

Chemical Shift Submissions

Not Available

Species

Species of Origin

Species Name	Source	Reference
Crinum americanum	LOTUS Database	35616633

Chemical Taxonomy

Description

Belongs to the class of organic compounds known as phenanthridines and derivatives. These are polycyclic compounds containing a phenanthridine moiety, which is a tricyclic system with two benzene rings joined by a pyridine forming a non-linear skeleton. Hydrogenated derivatives are also included.

Kingdom

Organic compounds

Super Class

Organoheterocyclic compounds

Class

Quinolines and derivatives

Sub Class

Benzoquinolines

Direct Parent

Phenanthridines and derivatives

Alternative Parents

Substituents

Phenanthridine
Benzazepine
Tetrahydroisoquinoline
Benzodioxole
Indole or derivatives
Azepine
Cyclohexenone
Aralkylamine
Benzenoid
N-alkylpyrrolidine
Pyrrolidine
Ketone
Cyclic ketone
Tertiary aliphatic amine
Tertiary amine
Acetal
Oxacycle
Azacycle
Organonitrogen compound
Hydrocarbon derivative
Organic oxide
Carbonyl group
Organopnictogen compound
Organic oxygen compound
Organic nitrogen compound
Organooxygen compound
Aldehyde
Amine
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	1.74	ChemAxon
pKa (Strongest Acidic)	17.92	ChemAxon
pKa (Strongest Basic)	7.98	ChemAxon
Physiological Charge	1	ChemAxon
Hydrogen Acceptor Count	4	ChemAxon
Hydrogen Donor Count	0	ChemAxon
Polar Surface Area	38.77 Å²	ChemAxon
Rotatable Bond Count	0	ChemAxon
Refractivity	74.14 m³·mol⁻¹	ChemAxon
Polarizability	28.15 Å³	ChemAxon
Number of Rings	5	ChemAxon
Bioavailability	Yes	ChemAxon
Rule of Five	Yes	ChemAxon
Ghose Filter	Yes	ChemAxon
Veber's Rule	Yes	ChemAxon
MDDR-like Rule	No	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

9566450

KEGG Compound ID

Not Available

BioCyc ID

Not Available

BiGG ID

Not Available

Wikipedia Link

Bracket

METLIN ID

Not Available

PubChem Compound

11391548

PDB ID

Not Available

ChEBI ID

Not Available

Good Scents ID

Not Available

References

General References

LOTUS database [Link]

Showing NP-Card for (1s,13r)-5,7-dioxa-12-azapentacyclo[10.5.2.0¹,¹³.0²,¹⁰.0⁴,⁸]nonadeca-2,4(8),9,16-tetraen-15-one (NP0257595)

MOL for NP0257595 ((1s,13r)-5,7-dioxa-12-azapentacyclo[10.5.2.0¹,¹³.0²,¹⁰.0⁴,⁸]nonadeca-2,4(8),9,16-tetraen-15-one)

3D MOL for NP0257595 ((1s,13r)-5,7-dioxa-12-azapentacyclo[10.5.2.0¹,¹³.0²,¹⁰.0⁴,⁸]nonadeca-2,4(8),9,16-tetraen-15-one)

3D SDF for NP0257595 ((1s,13r)-5,7-dioxa-12-azapentacyclo[10.5.2.0¹,¹³.0²,¹⁰.0⁴,⁸]nonadeca-2,4(8),9,16-tetraen-15-one)

3D-SDF for NP0257595 ((1s,13r)-5,7-dioxa-12-azapentacyclo[10.5.2.0¹,¹³.0²,¹⁰.0⁴,⁸]nonadeca-2,4(8),9,16-tetraen-15-one)

PDB for NP0257595 ((1s,13r)-5,7-dioxa-12-azapentacyclo[10.5.2.0¹,¹³.0²,¹⁰.0⁴,⁸]nonadeca-2,4(8),9,16-tetraen-15-one)

3D PDB for NP0257595 ((1s,13r)-5,7-dioxa-12-azapentacyclo[10.5.2.0¹,¹³.0²,¹⁰.0⁴,⁸]nonadeca-2,4(8),9,16-tetraen-15-one)

SMILES for NP0257595 ((1s,13r)-5,7-dioxa-12-azapentacyclo[10.5.2.0¹,¹³.0²,¹⁰.0⁴,⁸]nonadeca-2,4(8),9,16-tetraen-15-one)

INCHI for NP0257595 ((1s,13r)-5,7-dioxa-12-azapentacyclo[10.5.2.0¹,¹³.0²,¹⁰.0⁴,⁸]nonadeca-2,4(8),9,16-tetraen-15-one)

Structure for NP0257595 ((1s,13r)-5,7-dioxa-12-azapentacyclo[10.5.2.0¹,¹³.0²,¹⁰.0⁴,⁸]nonadeca-2,4(8),9,16-tetraen-15-one)

3D Structure for NP0257595 ((1s,13r)-5,7-dioxa-12-azapentacyclo[10.5.2.0¹,¹³.0²,¹⁰.0⁴,⁸]nonadeca-2,4(8),9,16-tetraen-15-one)