InChI=1S/C27H44O4/c1-15-7-10-27(30-14-15)16(2)24-22(31-27)12-21-19-6-5-17-11-18(28)8-9-25(17,3)20(19)13-23(29)26(21,24)4/h15-24,28-29H,5-14H2,1-4H3/t15-,16+,17+,18+,19-,20+,21+,22+,23-,24+,25+,26-,27-/m1/s1