methyl 2-nitro-3-hydroxy-4-aminobenzoate
HCl salt of N-(3-dimethylaminopropyl)-2-nitro-3-benzyloxy-4-acetylaminobenzoylamide
methyl 2-nitro-3-benzyloxy-4-acetylaminobenzoate
2-nitro-3-benzyloxy-4-acetylaminobenzoyl chloride
2-nitro-3-benzyloxy-4-acetylaminobenzoic acid