7-(3-Acetoxy-propoxy)-4-((S)-2-benzyloxy-3-methanesulfonyloxy-propyl)-5-methoxycarbonylamino-1H-indole-2-carboxylic acid methyl ester

(S)-5,6-Bis-benzyloxy-3-hydroxy-hexanoic acid benzyl ester

(S)-5,6-Bis-benzyloxy-3-oxo-hexanoic acid benzyl ester

5-((S)-6,7-Bis-benzyloxy-3-benzyloxycarbonyl-4-oxo-heptanoyl)-1H-pyrrole-2-carboxylic acid methyl ester

4-((S)-2,3-Bis-benzyloxy-propyl)-7-(3-hydroxy-propoxy)-1H-indole-2,5-dicarboxylic acid 5-benzyl ester 2-methyl ester