.alpha.-Naphthylnitrosohydroxylamine ammonium salt 1-Naphthalenamine, N-hydroxy-N-nitroso-, ammonium salt 1013-20-3 Ammonium .alpha.-naphthylnitrosohydroxylamine Hydroxylamine, N-1-naphthyl-N-nitroso-, ammonium salt N-1-Naphthyl-N-nitrosohydroxylamine ammonium salt NSC4748 Neo-cupferron Neocupferron WLN: L66J CNQNO &ZH