(S)-Fmoc-beta-Phe(3-Br)-OH

S-3-Br-PHA

(2S,4S)-N-Boc-4-difluoromethoxy-Pro-OH

(2S,4S)-N- Boc-4-Et-Pro-OH

(2S,4R)-N-Boc-4-Et-Pro-OH

(2S,3S)-1-(tert-butoxycarbonyl)-3-methylpyrrolidine-2-carbox

(S)-1-Fmoc-2-benzylpyrrolidine-2-carboxylic acid

Fmoc-Pro(4R-n-Pr)-OH

Fmoc-Pro(4R-fluoromethyl)-OH

Fmoc-(R)-γ-allyl-L-proline

(2S,4S)-4-(tritylthio)pyrrolidine-2-carboxylic acid

Boc-5,5-dimethyl-DL-Pro-OH

Boc-5,5-dimethyl-L-Pro-OH

N-Boc-cis-4-Fmoc-Amino-L-proline

Fmoc-4,4-dimethyl-L-proline

Fmoc-D-α-allylproline