(S)-N-叔丁氧羰基-2-吡咯烷酮-5-甲酸叔丁酯

N-羟基氨基甲酸叔丁酯

(3S,6S)-benzyl 6-((S)-2-(tert-butoxycarbonyl)-5-oxopyrrolidin-1-yl)-3-methyl-3,6-dihydro-2H-1,2-oxazine-2-carboxylate

氯代叔丁烷