InChI=1S/C24H38O4/c1-5-6-7-8-9-10-11-12-23(28-20(3)25)18-22(26)16-15-21-14-13-19(2)24(17-21)27-4/h13-14,17,23H,5-12,15-16,18H2,1-4H3/t23-/m0/s1