InChI=1S/C22H28O7/c1-12-14-4-5-15-21(11-29-19(27)22(15,8-14)18(12)26)7-6-17(25)20(3,16(21)9-23)10-28-13(2)24/h9,14-17,25H,1,4-8,10-11H2,2-3H3/t14-,15+,16-,17+,20+,21-,22+/m1/s1