| abstract |
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. |