1010-93-1 1H-Imidazole-1-acetic acid, 2-methyl-5-nitro- 2-Methyl-5-nitro-1H-imidazole-1-acetic acid 2-Methyl-5-nitroimidazol-1-ylacetic acid 2-Methyl-5-nitroimidazole CCRIS 2147