2-Benzimidazolecarbamic acid, N-nitroso-, methyl ester 2-Methyl-N-nitroso-benzimidazole carbamate and sodium nitrite (1:1) Carbendazime and sodium nitrite (1:1) DD6520300 Sodium nitrite and 2-methyl-N-nitroso-benzimidazole carbamate (1:1) Sodium nitrite and carbendazime (1:1)