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