1,8-Naphthyridin-2-amine, 3-(2-chlorophenyl)-N-nitroso-, sodium salt 1,8-Naphthyridine-2-amine, 3-(2-chlorophenyl)-N-nitroso-, sodium salt Diazene, [3-(2-chlorophenyl)-1,8-naphthyridin-2-yl]hydroxy-, sodium salt NSC375366