Pharmaceutical compositions and methods of inhibiting H-1 and H-2
申请人:Smith Kline & French Laboratories Limited
公开号:US04000302A1
公开(公告)日:1976-12-28
Pharmaceutical compositions and methods of inhibiting H-1 and H-2 histamine receptors by administering an antihistamine and an H-2 histamine receptor inhibitor. Exemplary of the antihistamine in the compositions and methods of this invention is mepyramine and exemplary of the H-2 histamine receptor inhibitor is N-cyano-N'-methyl-N"-[2-((4-methyl-5-imidazolyl)-methylthio)ethyl]guanidin e.
The compounds are ethylene derivatives which are inhibitors of histamine activity, in particular, inhibitors of H-2 histamine receptors. A compound of this invention is 1-nitro-2-methylamino-2-[2-((4-methyl-5-imidazolyl)methylthio)ethylamino]e thylene.