InChI=1S/C19H24O5/c1-9-10-4-5-11-18(8-10,14(9)20)12(15(21)22)13-17(2)6-3-7-19(11,13)24-16(17)23/h10-14,20H,1,3-8H2,2H3,(H,21,22)