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