tert-Butyl 4-(1H-pyrazol-4-yl)piperidine-1-carboxylate
tert-Butyl 2-(5-amino-1H-pyrazol-3-yl)piperidine-1-carboxylate
tert-Butyl 4-(5-amino-1H-pyrazol-3-yl)piperidine-1-carboxylate
