InChI=1S/C19H26O5/c1-12(5-10-16-19(2,3)24-16)4-8-14-13(7-11-17(21)22)6-9-15(20)18(14)23/h4,6,9,16,20,23H,5,7-8,10-11H2,1-3H3,(H,21,22)