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