N-Benzyloxy-N-{5-[(5S,8R,11S,13aR)-5-((S)-sec-butyl)-8-(4-methoxy-benzyl)-4,7,10,13-tetraoxo-tetradecahydro-3a,6,9,12-tetraaza-cyclopentacyclododecen-11-yl]-pentyl}-formamide

N-Benzyloxy-N-{5-[(5S,8R,11S,13aS)-5-((S)-sec-butyl)-8-(4-methoxy-benzyl)-4,7,10,13-tetraoxo-tetradecahydro-3a,6,9,12-tetraaza-cyclopentacyclododecen-11-yl]-pentyl}-formamide

N-Benzyloxy-N-{5-[(6S,9R,12S,14aR)-6-((S)-sec-butyl)-9-(4-methoxy-benzyl)-5,8,11,14-tetraoxo-tetradecahydro-4a,7,10,13-tetraaza-benzocyclododecen-12-yl]-pentyl}-formamide

N-Benzyloxy-N-{5-[(6S,9R,12S,14aS)-6-((S)-sec-butyl)-9-(4-methoxy-benzyl)-5,8,11,14-tetraoxo-tetradecahydro-4a,7,10,13-tetraaza-benzocyclododecen-12-yl]-pentyl}-formamide

(S)-2-[(1-{(2S,3S)-2-[(R)-2-Amino-3-(4-methoxy-phenyl)-propionylamino]-3-methyl-pentanoyl}-piperidine-2-carbonyl)-amino]-7-(benzyloxy-formyl-amino)-heptanoic acid