(S)-1-tert-butyl 2-((R)-1-(2-methoxyphenyl)prop-2-yn-1-yl)pyrrolidine-1,2-dicarboxylate

(S)-1-tert-butyl 2-((R)-1-phenylprop-2-yn-1-yl)-pyrrolidine-1,2-dicarboxylate

1-(t-butoxycarbonyl)-1,2,4-triazolo(4,3-a)pyridinium-3-olate

2,3-二氢-2-氧代-3-恶唑羧酸叔丁酯

2-t-butoxycarbonyloxy-3,6-diisopropylpyrazine