1-Cyano-2-methyl-3-[2-[[(5-methylimidazol-4-yl)methyl]thio]ethyl]guanidine 51481-61-9 Brumetidina Cimetidine Guanidine, N''-cyano-N-methyl-N'-[2-[[(5-methyl-1H-imidazol-4-yl)methyl]thio]ethyl]- Guanidine, N-cyano-N'-methyl-N''-[2-[[(5-methyl-1H-imidazol-4-yl)methyl]thio]ethyl]- N''-Cyano-N-methyl-N'-[2-[(5-methyl-1H-imidazol-4-yl)methylthio]ethyl]guanidine NSC335308 Tagamet Ulcomedina