InChI=1S/C29H50O4/c1-7-19(16(2)3)27(33)26(32)17(4)21-10-11-22-20-9-8-18-14-24(30)25(31)15-29(18,6)23(20)12-13-28(21,22)5/h7,16-18,20-27,30-33H,8-15H2,1-6H3/b19-7+/t17-,18-,20?,21?,22?,23?,24-,25+,26+,27+,28+,29-/m0/s1