二碳酸二叔丁酯

(S)-(+)-2-甲基哌嗪

(S)-(-)1-(t-butoxycarbonyl)-2-t-butyl-3-methyl-4-imidazolidinone

N-(tert-butoxycarbonyl)-phthalimide

2-(叔丁氧羰基氧亚氨基)-2-苯乙腈