InChI=1S/C19H17NO4/c1-19(9-23-19)15-7-11-14(24-15)8-13(21)16-17(11)20(2)12-6-4-3-5-10(12)18(16)22/h3-6,8,15,21H,7,9H2,1-2H3 1.0000 InChI=1S/C19H17NO4/c1-2-16-19(24-10-21-16)14-8-20-4-3-12-6-17-18(23-9-22-17)7-13(12)15(20)5-11(1)14/h1-2,6-7,15H,3-5,8-10H2 0.5000