(2S,5S)-2,5-dibenzyl-2,3,4,5,6,7-hexahydro-1H-benzo[b][1,4,7]triazonine

(S)-methyl-2-(N-((S)-2-(2-(N-((S)-2-(tert-butoxycarbonylamino)-3-phenylpropyl)-4-methylphenylsulfonamido)phenylamino)-3-phenylpropyl)-4-methylphenylsulfonamido)-4-methylpentanoate

(S)-methyl-4-methyl-2-(4-methyl-N-((S)-2-(2-(4-methyl-N-((S)-2-(4-methylphenylsulfonamido)-3-phenylpropyl)phenylsulfonamido)phenylamino)-3-phenylpropyl)phenylsulfonamido)pentanoate

(3S,6S,9S)-3,9-dibenzyl-6-isobutyl-1,4,7-tritosyl-1,2,3,4,5,6,7,8,9,10-decahydrobenzo[b][1,4,7,10]tetraazacyclododecine