2-((S)-1-{(2S,3R)-3-Hydroxy-2-[(2-phenyl-thiazole-4-carbonyl)-amino]-butyrylamino}-2-methyl-propyl)-thiazole-4-carboxylic acid

(S)-N-(4-benzoylphenyl)-2-(2-methyl-1-(3,4,5-trimethoxybenzamido)propyl)thiazole-4-carboxamide

2-((S)-1-{[2-((S)-1-tert-Butoxycarbonylamino-2-methyl-propyl)-oxazole-4-carbonyl]-amino}-2-methyl-propyl)-thiazole-4-carboxylic acid ethyl ester

ethyl 2-((S)-1-(2-((S)-1-((tert-butoxycarbonyl)amino)-3-(methylamino)-3-oxopropyl)-5-methylthiazole-4-carboxamido)-2-methylpropyl)-5-(methoxymethyl)thiazole-4-carboxylate