(R)-2-((2-amino-5-(benzylthio)thiazolo[4,5-d]pyrimidin-7-yl)amino)-3,3-dimethylbutan-1-ol

2-[[2-bromo-5-[[(2-fluorophenyl)methyl]thio]thiazolo[4,5-d]pyrimidin-7-yl]amino]-(2R)-1-propanol

2-[[5-[[(2-fluorophenyl)methyl]thio]-2-methoxythiazolo[4,5-d]pyrimidin-7-yl]amino]-(2R)-1-propanol

[(2R)-2-[[2-amino-5-[(phenylmethyl)thio]thiazolo[4,5-d]pyrimidin-7-yl]amino]propyl]carbamic acid 1,1-dimethylethyl ester

[(2R)-2-[[2-amino-5-[(phenylmethyl)sulfonyl]thiazolo[4,5-d]pyrimidin-7-yl]amino]propyl]carbamic acid 1,1-dimethylethyl ester