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