InChI=1S/C25H34O7/c1-4-17(28)22-31-20-10-16-15-6-5-13-9-14(27)7-8-23(13,2)21(15)18(29)11-24(16,3)25(20,32-22)19(30)12-26/h7-9,15-18,20-22,26,28-29H,4-6,10-12H2,1-3H3/t15-,16-,17?,18-,20+,21+,22?,23-,24-,25+/m0/s1