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