InChI=1S/C22H30O4/c1-5-6-7-8-15-12-18(23)20(21(24)19(15)22(25)26)17-11-14(4)9-10-16(17)13(2)3/h11-12,16-17,23-24H,2,5-10H2,1,3-4H3,(H,25,26)