Amidinoformic acids and amidinosulphinic acids which are histamine H.sub.2 -antagonists. Two specific compounds of the present invention are N-[2-(5-methyl-4-imidazolylmethylthio)ethyl]amidinoformic acid and N-methyl-N'-[2-(5-methyl-4-imidazolylmethylthio)ethyl]amidinosulphinic acid.
本发明涉及
组胺H.sub.2-拮抗剂,其中包括amidinoformic酸和amidinosulphinic酸。本发明的两种特定化合物是N-[2-(5-甲基-4-
咪唑甲基
硫基)乙基]amidinoformic酸和N-甲基-N'-[2-(5-甲基-4-
咪唑甲基
硫基)乙基]amidinosulphinic酸。