Benzylation and nitrosation of 4-amino-2-(methylsulfanyl)pyrimidin-6(1H)-one: twoP21/cpolymorphs of 4-amino-1-benzyl-2-(methylsulfanyl)pyrimidin-6(1H)-one withZ′ = 1 and 2, 4-amino-6-benzyloxy-2-(methylsulfanyl)pyrimidine and 4-amino-1-benzyl-2-(methylsulfanyl)-5-nitrosopyrimidin-6(1H)-one all give different hydrogen-bonded supramolecular structures | Publicación