InChI=1S/C24H38O4/c1-4-7-9-10-11-12-15-19-27-23(25)21-17-13-14-18-22(21)24(26)28-20(6-3)16-8-5-2/h13-14,17-18,20H,4-12,15-16,19H2,1-3H3