(R)-2-((2-amino-5-(phenethylthio)thiazolo[4,5-d]pyrimidin-7-yl)amino)-4-methylpentan-1-ol

(R)-2-(((2-amino-7-((1-hydroxy-4-methylpentan-2-yl)amino)thiazolo[4,5-d]pyrimidin-5-yl)thio)methyl)benzonitrile

(R)-2-((2-amino-5-((3-bromobenzyl)thio)thiazolo[4,5-d]pyrimidin-7-yl)amino)-4-methylpentan-1-ol

(R)-2-((2-amino-5-((2-methylbenzyl)thio)thiazolo[4,5-d]pyrimidin-7-yl)amino)-4-methylpentan-1-ol

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