InChI=1S/C30H48O4/c1-19(7-6-8-20(17-31)25(33)34)21-11-13-28(5)23-10-9-22-26(2,3)24(32)12-14-29(22)18-30(23,29)16-15-27(21,28)4/h8,19,21-24,31-32H,6-7,9-18H2,1-5H3,(H,33,34)/b20-8-