InChI=1S/C30H48O4/c1-19(8-7-9-20(17-31)18-32)21-10-15-30(6)26-22(11-14-29(21,30)5)28(4)13-12-25(34)27(2,3)24(28)16-23(26)33/h9,19,21,24-25,31-32,34H,7-8,10-18H2,1-6H3/t19-,21-,24+,25+,28-,29-,30+/m1/s1