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