InChI=1S/C29H48O4/c1-19(13-9-15-21(3)28(31)32)11-8-12-20(2)14-10-17-29(7)18-16-25-24(6)26(30)22(4)23(5)27(25)33-29/h19-21,30H,8-18H2,1-7H3,(H,31,32)/t19-,20+,21?,29+/m0/s1