70886-35-0 InChI=1/C7H6N2O4/c10-4-8-6-3-5(9(12)13)1-2-7(6)11/h1-4,11H,(H,8,10 N-(2-hydroxy-5-nitrophenyl)formamide formamide, N-(2-hydroxy-5-nitrophenyl)-