(2S,4S)-Boc-4-phenoxy-Pro-OH

(2S,4S)-BOC-4-PHENOXY-PYRROLIDINE-2-CARBOXYLIC ACID

(2S,4S)-1-(TERT-BUTOXYCARBONYL)-4-PHENOXYPYRROLIDINE-2-CARBOXYLIC ACID

(2S,4S)-1-(TERT-BUTOXYCARBONYL)-4-PHENOXY-2-PYRROLIDINECARBOXYLIC ACID