2-羟甲基吡咯烷-1-羧酸丁酯

2-hydroxy-3-(2-phenyl-2-oxo)ethyl-1,4-naphthoquinone

吡咯烷-2-甲醇

N-(tert-butoxycarbonyl)-2-(1-hydroxy-2-oxo-1-propyl)pyrrolidine

2,3,4,5-四氢吡啶-2-羧酸