InChI=1S/C30H50O/c1-19(2)24(20(3)4)10-8-21(5)26-12-13-27-25-11-9-22-18-23(31)14-16-29(22,6)28(25)15-17-30(26,27)7/h8-10,19-21,23-28,31H,11-18H2,1-7H3/b10-8+/t21-,23+,25+,26-,27+,28+,29+,30-/m1/s1