InChI=1S/C30H42O4/c1-18-8-9-20-15-22-25(34-29(20,5)12-7-11-27(2,3)13-10-18)24(31)21-14-19-16-28(4,26(32)33)17-23(19)30(21,22)6/h7,10-11,19-21,23H,8-9,12-17H2,1-6H3,(H,32,33)/b11-7+,18-10+/t19-,20-,21-,23+,28-,29+,30-/m0/s1