InChI=1S/C30H50O4/c1-26(2)23-9-8-21-20(28(23,5)13-12-24(26)32)11-15-29(6)19(10-14-30(21,29)7)18-16-22(31)25(33)27(3,4)34-17-18/h8,18-20,22-25,31-33H,9-17H2,1-7H3/t18-,19+,20+,22-,23+,24+,25+,28-,29+,30-/m1/s1