N'-甲基-N;泰胃美;西米替汀;甲氰咪胍;
Cimetidine;2-Cyano-1-methyl-3-[2-(5-methyl-1H-imidazol-4-yl-methylthio)ethyl]guanidine;N-Cyano-N'-methyl-N''-[2-[[(4-methyl-1H-imidazol-5-yl)methyl]thio]ethyl]guanidine;
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