Cimetidine Impurity D

Chemical Name: 1-Methyl-3-[2-[[(5-methyl-1H-imidazol-4-yl)methyl]sulfanyl]ethyl]guanidine

Synonym: 1-Methyl-3-(2-(((5-methyl-1H-imidazol-4-yl)methyl)thio)ethyl)guanidine; 2-Methyl-1-(2-[[(5-methyl-1H-imidazol-4-yl)methyl]sulfanyl]ethyl)guanidine; N-Methyl-N'-[2-[[(4-methyl-1H-imidazol-5-yl)methyl]thio]ethyl]guanidine;