InChI=1S/C24H38O7/c1-5-6-7-8-9-10-11-12-13-14-15-22(29-18(2)25)24(31-20(4)27)21(28)16-17-23(24)30-19(3)26/h16-17,22-23H,5-15H2,1-4H3