n - cyan - n '- methyl - n - 2 - (5 methylthio - imidazole - 4 - yl) - methylthio - essential} - guanidine, procedures to its manufacture and the combination containing medicines

摘要

4-(5)-alkylmercaptoimidazole derivatives corresponding to the following general formula IMAGE in which R1 represents a methyl or ethyl group and X reprosents sulfur, an N-cyano group or a nitromethylene group, and their salts with pharmaceutically acceptable acids have activity as histamine antagonists.