(2S)-2-氰基-1-哌嗪羧酸叔丁酯;

(S)-tert-Butyl 2-cyanopiperazine-1-carboxylate; (2S)-2-Cyano-1-piperazinecarboxylic acid 1,1-dimethylethyl ester; tert-butyl (2S)-2-cyanopiperazine-1-carboxylate;