InChI=1S/C29H46O4/c1-17(19(3)16-33-6)7-8-18(2)21-9-10-22-20-15-25(31)26-27(32)24(30)12-14-29(26,5)23(20)11-13-28(21,22)4/h15,18-19,21-24,26-27,30,32H,1,7-14,16H2,2-6H3/t18-,19?,21-,22+,23+,24+,26+,27-,28-,29-/m1/s1