3-tert-butoxycarbonylamino-2-methyl-hexanoic acid

benzyl (2R,3R)-3-amino-2-methylhexanoyl-L-lactic acid

2-[2-(benzyloxycarbonyl-methyl-amino)-3-phenyl-propionylamino]-3-methyl-butyric acid tert-butyl ester

3-{[2-(1-tert-butoxycarbonylamino-ethyl)-thiazole-4-carbonyl]-amino}-2-methyl-hexanoic acid 1-benzyloxycarbonyl-ethyl ester

Boc-L-丙氨酰胺