The compounds are N,N' -substituted thioureas, ureas and guanidines which are H-2 histamine receptor inhibitors. Two compounds of this invention are N,N'-bis[2-((4-methyl-5-imidazolyl)methylthio)ethyl] thiourea and N,N'-bis[2-((4-methyl-5-imidazolyl)methylthio)ethyl]-N"-cyanoguanidine.
这些化合物是N,N'-取代
硫脲,
脲和
鸟氨酸,它们是H-2
组胺受体
抑制剂。本发明的两种化合物是N,N'-双[2-((4-甲基-5-
咪唑基)甲基
硫基)乙基]
硫脲和N,N'-双[2-((4-甲基-5-
咪唑基)甲基
硫基)乙基]-N''-
氰基
鸟氨酸。