for the following products
(2S,4R)-4-(tert-Butyloxycarbonyl)amino-1-(9-fluorenylmethyloxycarbonyl)-pyrrolidine-2-carboxylic acid | Fmoc-L-Pro(4-NHBoc)-OH (2S,4R) and (2S,4R)-1-(((9H-Fluoren-9-yl)methoxy)carbonyl)-4-((tert-butoxycarbonyl)amino)pyrrolidine-2-carboxylic acid
