2-[(R)-1-(9H-Fluoren-9-ylmethoxycarbonylamino)-ethyl]-thiazole-4-carboxylic acid allyl ester

2-[1-({2-[1-({2-[1-(9H-fluoren-9-ylmethoxycarbonylamino)-2-methyl-propyl]-5-methyl-4,5-dihydro-oxazole-4-carbonyl}-amino)-2-methyl-propyl]-4,5-dihydro-oxazole-4-carbonyl}-amino)-2-methyl-propyl]-thiazole-4-carboxylic acid allyl ester

2-[(S)-1-({2-[(S)-1-({2-[(S)-1-(9H-Fluoren-9-ylmethoxycarbonylamino)-2-methyl-propyl]-5-methyl-oxazole-4-carbonyl}-amino)-2-methyl-propyl]-oxazole-4-carbonyl}-amino)-2-methyl-propyl]-thiazole-4-carboxylic acid allyl ester

2-[(S)-1-({2-[(S)-1-(9H-Fluoren-9-ylmethoxycarbonylamino)-ethyl]-thiazole-4-carbonyl}-amino)-ethyl]-thiazole-4-carboxylic acid allyl ester

2-{(S)-1-[(2-{(S)-1-[(2S,3R)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-3-trityloxy-butyrylamino]-2-methyl-propyl}-oxazole-4-carbonyl)-amino]-2-methyl-propyl}-thiazole-4-carboxylic acid allyl ester