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