InChI=1S/C19H22O5/c1-8-9-3-4-18-12(8)17(18,5-9)11(14(21)22)13-16(2)6-10(20)7-19(13,18)24-15(16)23/h9-13,20H,1,3-7H2,2H3,(H,21,22)