4-methoxy-N-(3-(((1-phenethyl-1H-pyrazolo[3,4-d]pyrimidin-4-yl)amino)methyl)phenyl)benzenesulfonamide

4-chloro-1-(2-phenylethyl)-1H-pyrazolo[3,4-d]pyrimidine

N-(3-nitrobenzyl)-1-phenethyl-1H-pyrazolo[3,4-d]pyrimidin-4-amine