InChI=1/C19H15NO4/c1-20-9-11(12-4-2-3-5-15(12)20)8-17-18(23)13-6-7-16(22)14(10-21)19(13)24-17/h2-9,21-22H,10H2,1H3/b17-8-	B8E245B35AC7EA54