benzyl (2S,5S)-2-(5-amino-1H-pyrazol-3-yl)-5-methylpiperidine-1-carboxylate

benzyl (2S,5S)-5-methyl-2-(6-methyl-5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidin-2-yl)piperidine-1-carboxylate