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Ц4stresses
drug.name, obs. Killavon; Laudamonium; Quartamon; Zephirol
med., obs. Benzalkoni chloridum
med., obs., chech. Ajatin f
med., obs., GDR C4 n
med., obs., scient. Alkyl-dimethylen-benzyl-ammonium-chlorid n (Desinfiziens)