InChI=1S/C24H30O4/c1-15-5-9-20-23(2,3)21(25)11-12-24(20,4)18(15)14-27-17-8-6-16-7-10-22(26)28-19(16)13-17/h6-8,10,13,18,20-21,25H,1,5,9,11-12,14H2,2-4H3