1-(3,4-dihydro-2H-pyrrol-5-yl)piperidine

6-(4-methoxy-phenyl)-2,3,4,5-tetrahydro-pyridine

2-氮己环酮

1-Boc-2-哌啶酮

(5-oxo-5-(4-methoxyphenyl)-pentyl)-carbamic acid tert-butyl ester