Boc-D-Lys(Z)-OH

Cbz-D-phenylalaninol

CBZ-S-Phenyl-L-Cysteine

(R)-2-(((Benzyloxy)carbonyl)amino)-2-phenylacetic acid

N-Carbobenzoxy-DL-phenylalanine

(S)-2-(((Benzyloxy)carbonyl)amino)-2-cyclohexylacetic acid

Z-Asp(OBzl)-OH

Z-His-OH

IN2-(benzyloxycarbonyl)-N6-(tert-butoxycarbonyl)-L-lysine

Z-D-Ser-OH

Z-Glu(OtBu)-OH

Z-Ser(tBu)-OH