InChI=1S/C19H26O5/c1-12(2)5-4-10-19(3)16(24-19)11-14-13(7-9-17(21)22)6-8-15(20)18(14)23/h5-6,8,16,20,23H,4,7,9-11H2,1-3H3,(H,21,22)