4-Fmoc-1-caboxymethyl-piperazin-2-one

Fmoc-L-beta-homopropargylglycine

Boc-(R)-3-amino-3-(3-trifluoromethylphenyl)propionic acid

(S)-a-(2-Trifluoromethylbenzyl)prolineHCl

Boc-(R)-a-(2-furanylmethyl)proline

Boc-()-trans-4-(2-fluorophenyl)pyrrolidine-3-carboxylic acid

()-trans-4-(3-Chlorophenyl)pyrrolidine-3-carboxylic acid hydrochloride

()-trans-4-(4-Methylphenyl)pyrrolidine-3-carboxylic acid hydrochloride

()-trans-4-(2-Thienyl)pyrrolidine-3-carboxylic acid hydrochloride

()-trans-4-(4-Hydroxyphenyl)pyrrolidine-3-carboxylic acid hydrochloride

2-(4-Boc-piperazinyl)-2-(3-trifluoromethylphenyl)acetic acid