2-Cyano-1-(2-(((5-methylimidazol-4-yl)methyl)thio)ethyl)-3-(2-propynyl)guanidine monohydrochloride 69539-53-3 71807-56-2 BL 5641 BL 5641A CCRIS 1738 EINECS 276-036-8 Etintidine hydrochloride Etintidine hydrochloride [USAN] Guanidine, N''-cyano-N-(2-(((5-methyl-1H-imidazol-4-yl)methyl)thio)ethyl)-N'-2-propynyl-, monohydrochloride Guanidine, N-cyano-N'-(2-(((5-methyl-1H-imidazol-4-yl)methyl)thio)ethyl)-N''-2-propynyl-, monohydrochloride N-Cyano-N'-(2-(((5-methyl-1H-imidazol-4-yl)methyl)thio)ethyl)-N''-2-propynylguanidine hydrochloride