benzyl 4-(2-oxo-1,3-diazinan-1-yl)piperidine-1-carboxylate

N-Boc-DL-缬氨醇

6-溴-1H-咪唑并[4,5-B]吡啶-2(3H)-酮

1-环丙基-1,3-二氢-2H-苯并咪唑-2-酮

(R)-5,5-二甲基-4-苯基-2-恶唑烷酮