InChI=1/C14H12N4O5/c1-7-9(4-12(21)17-18-5-15-16-6-18)14(22)23-11-3-8(19)2-10(20)13(7)11/h2-3,5-6,19-20H,4H2,1H3,(H,17,21)/f/h17H BFCA1F265FAEA1EE