tert-butyl ((2S,6S,13aS,14aR,16aS,Z)-14a-((cyclopropylsulfonyl)carbamoyl)-5,16-dioxo-2-phenyl-1,2,3,5,6,7,8,9,10,11,13a,14,14a,15,16,16a-hexadecahydrocyclopropa[e]pyrrolo[1,2-a][1,4]diazacyclopentadecin-6-yl)carbamate

tert-butyl (S)-1-((2S,4S)-2-((1R,2S)-1-(cyclopropylsulfonylcarbamoyl)-2-vinylcyclopropylcarbamoyl)-4-phenylpyrrolidin-1-yl)-1-oxonon-8-en-2-ylcarbamate

(2S,4S)-2-[4-(4-cyclopropylcarbamoyl-phenyl)-thiazol-2-ylcarbamoyl]-4-phenyl-pyrrolidine-1-carboxylic acid tert-butyl ester

(2R,4S)-2-methyl-4-phenyl-pyrrolidine

(2R,4S)-2-methyl-4-phenyl-1-propyl-pyrrolidine