(R)-1-(5-bromopyridin-3-yl)but-3-en-1-ol

(S)-3-(1-azidobut-3-enyl)-5-bromopyridine

(R)-methanesulfonic acid 1-(5-bromopyridin-3-yl)but-3-enyl ester

4-羟基-1-(3-吡啶基)-1-丁酮

4-氧代-4-(3-吡啶基)丁醛