1-BOC-3-piperidone1-Boc-3-piperidone1-Boc-3-哌啶酮tert-Butyl 3-oxo-1-piperidinecarboxylate1-(tert-Butoxycarbonyl)-3-piperidonetert-Butyl 3-oxopiperidine-1-carboxylate3-氧代哌啶-1-甲酸叔丁酯Piperidin-3-one, N-BOC protected 97%3-Oxopiperidine, N-BOC protectedN-叔丁氧羰基-3-哌啶酮tert-butyl 3-oxopiperidine-1-carboxylate1-Boc-3-Piperidinone