5-(benzylthio)-7-{[(1R)-1-(hydroxymethyl)-3-methylbutyl]amino}[1,3]thiazolo[4,5-d]pyrimidin-2(3H)-one

(2R)-2-{[5-(benzylsulfanyl)-2-chloro[1,3]thiazolo[4,5-d]pyrimidin-7-yl]amino}-4-methylpentan-1-ol

(2R)-2-{[5-(benzylsulfanyl)-2-methoxy[1,3]thiazolo[4,5-d]pyrimidin-7-yl]amino}-4-methylpentan-1-ol

6-amino-1,4-dihydro-4-oxo-2-[(phenylmethyl)thio]-5-pyrimidinyl ester thiocyanic acid

2-Amino-5-[(phenylmethyl)thio]thiazolo[4,5-d]pyrimidin-7(4H)-one