InChI=1S/C31H48O3/c1-18(2)20-9-10-21-23(33)17-31(8)22(27(20)21)11-12-25-29(6)15-14-26(34-19(3)32)28(4,5)24(29)13-16-30(25,31)7/h11,18,20,23-26,33H,9-10,12-17H2,1-8H3/t20-,23+,24-,25+,26-,29-,30+,31+/m0/s1