InChI=1/C19H12N2O3/c20-10-14(19-21-15-6-2-4-8-17(15)24-19)18(22)13-9-12-5-1-3-7-16(12)23-11-13/h1-9,14H,11H2/t14-/m1/s1 4DC0D17375F51715