InChI=1S/C24H30O7/c1-15(25)21(27)11-9-17-5-3-7-23(29)19(17)13-31-14-20-18(6-4-8-24(20)30)10-12-22(28)16(2)26/h3-12,15-16,21-22,25-30H,13-14H2,1-2H3/b11-9+,12-10+/t15-,16-,21+,22+/m0/s1