5-(4-Methoxy-2-methyl-phenyl)-thiophene-2-carboxylic acid methyl-{(S)-1-[(R)-3-(2,2,2-trifluoro-acetylamino)-pyrrolidine-1-carbonyl]-pyrrolidin-3-yl}-amide

Methyl-((S)-1-{(R)-3-[methyl-(2,2,2-trifluoro-ethyl)-amino]-pyrrolidine-1-carbonyl}-pyrrolidin-3-yl)-carbamic acid tert-butyl ester

4'-Ethyl-biphenyl-4-carboxylic acid methyl-{(S)-1-[(R)-3-(2,2,2-trifluoro-acetylamino)-pyrrolidine-1-carbonyl]-pyrrolidin-3-yl}-amide

5-(4-Ethyl-phenyl)-thiophene-2-carboxylic acid methyl-((S)-1-{(R)-3-[methyl-(2,2,2-trifluoro-acetyl)-amino]-pyrrolidine-1-carbonyl}-pyrrolidin-3-yl)-amide

4'-Methoxy-2'-methyl-biphenyl-4-carboxylic acid methyl-{(S)-1-[(R)-3-(2,2,2-trifluoro-acetylamino)-pyrrolidine-1-carbonyl]-pyrrolidin-3-yl}-amide