N,S-Ditrityl-L-Cystein

D-S-tert-Butylcysteine

S-[N-(3-苯丙基)氨基硫羰基]-L-半胱氨酸

2-amino-3-[[4-(hydroxymethyl)phenyl]-diphenylmethyl]sulfanylpropanoic acid

3-氟-L-丙氨酸