(2S,11S,12R)-12-Isobutyl-7-(1-methyl-1H-imidazole-4-sulfonyl)-13-oxo-1,7-diaza-cyclotridecane-2,11-dicarboxylic acid 11-(benzyloxy-amide) 2-methylamide

(2S,11S,12R)-12-Isobutyl-13-oxo-7-(2,4,6-trimethyl-benzenesulfonyl)-1,7-diaza-cyclotridecane-2,11-dicarboxylic acid 11-(benzyloxy-amide) 2-methylamide

(6S,7R,10S)-7-Isobutyl-10-methylcarbamoyl-8-oxo-2-oxa-9-aza-bicyclo[10.2.2]hexadeca-1(15),12(16),13-triene-6-carboxylic acid

(2S,3R)-2-(3-Bromo-propyl)-3-[(S)-2-(4-hydroxy-phenyl)-1-methylcarbamoyl-ethylcarbamoyl]-5-methyl-hexanoic acid tert-butyl ester

(2S,3R)-2-(3-Hydroxy-propyl)-5-methyl-3-[(S)-1-methylcarbamoyl-5-(1-methyl-1H-imidazole-4-sulfonylamino)-pentylcarbamoyl]-hexanoic acid tert-butyl ester