InChI=1S/C29H48O4/c1-17(2)25(33-32)23(31)15-18(3)20-9-11-27(6)24-8-7-21-19(4)22(30)10-12-28(21)16-29(24,28)14-13-26(20,27)5/h18-25,30-32H,1,7-16H2,2-6H3/t18-,19+,20-,21+,22+,23+,24+,25+,26-,27+,28-,29+/m1/s1