InChI=1/C19H19NO4/c1-11(2)20-9-13-7-15-17(21)16(8-14-5-4-6-22-14)24-19(15)12(3)18(13)23-10-20/h4-8,11H,9-10H2,1-3H3/b16-8-	0148989FF86944EF