4-Nitro-1-naphthylamine (CAS NO.776-34-1), its Synonyms are 1,4-Nitronaphthylamine ; 1-Amino-4-nitronaphthalene ; 4-Nitro-alpha-naphthylamine ; 1-Naphthalenamine, 4-nitro- ; 1-Naphthylamine, 4-nitro- .