InChI=1S/C30H46O4/c1-19(7-6-8-20(2)25(33)34)21-11-13-28(5)23-10-9-22-26(3,18-31)24(32)12-14-29(22)17-30(23,29)16-15-27(21,28)4/h8,19,21-23,31H,6-7,9-18H2,1-5H3,(H,33,34)/b20-8-