245450-02-6

tert-Butyl 4-(1H-pyrazolo[3,4-d]pyrimidin-4-yl)piperazine-1-carboxylate tert-Butyl 4-(1H-pyrazolo[3,4-d]pyrimidin-4-yl)-1-piperazinecarboxylate Tert-butyl 4-(2h-pyrazolo[3,4-d]pyrimidin-4-yl)piperazine-1-carboxylate 4-(1H-Pyrazolo[3,4-d]pyrimidin-4-yl)-piperazine-1-carboxylic acid tert-butyl ester 1-Piperazinecarboxylic acid, 4-(1H-pyrazolo[3,4-d]pyrimidin-4-yl)-, 1,1-dimethylethyl ester