InChI=1S/C19H22O6/c1-8-9-3-4-10-18(7-9,14(8)21)12(15(22)23)13-17(2)11(20)5-6-19(10,13)25-16(17)24/h5-6,9-14,20-21H,1,3-4,7H2,2H3,(H,22,23)