2-((S)-1-tert-Butoxycarbonylamino-2-methyl-propyl)-thiazole-4-carboxylic acid (S)-1-[1-((S)-1-carboxy-2-hydroxy-2-methyl-propoxycarbonyl)-1-methyl-ethyl]-5,5-dichloro-hexyl ester

2-[(1S)-1-tert-butyloxycarbonylamino-2-methyl-propyl]-thiazole-4-carboxylic acid (1S)-1-{1-[(1S)-1-(1-allyloxycarbonyl)-2-hydroxy-2-methyl-propyloxycarbonyl]-1-methyl-ethyl}-5,5-dichloro-hexyl ester

[2S,8R,11S,15S]-8-(tert-butyldiphenylsilanyloxymethyl)-15-(4,4-dichloropentyl)-11-(1-hydroxy-1-methyl-ethyl)-2-isopropyl-14,14-dimethyl-12,16-dioxa-20-thia-3,6,9,21-tetraaza-bicyclo[16.2.1]heneicosa-1(21),18-diene-4,7,10,13,17-pentaone