Z-benzotriazole

(R)-Fmoc-3-carboxythiomorpholine

O-tert-Butyl-D-allo-threonine

Fmoc-(R)-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid

Fmoc-(R)-5,5-二甲基-1,3-噻唑烷-4-羧酸

Fmoc-b-cyclobutyl-L-alanine

Fmoc-L-环丁基丙氨酸

BOC-(S)-3-氨基-4-(1-萘基)-丁酸, Boc-(1-naphthyl)-L-b-homoalanine

Boc-2,4-dichloro-L-b-homophenylalanine

BOC-(S)-3-氨基-4-(2,4-二氯苯基)-丁酸

Boc-4-trifluoromethyl-L-b-homophenylalanine

BOC-(S)-3-氨基-4-(4-三氟甲苯基)-丁酸

(R)-a-(2-Naphthalenylmethyl)prolineHCl

Boc-(S)-a-(3-bromobenzyl)proline

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