4'-Trifluoromethyl-biphenyl-4-carboxylic acid [(S)-1-((R)-3-amino-pyrrolidine-1-carbonyl)-pyrrolidin-3-yl]-methyl-amide

5-Bromo-thiophene-2-carboxylic acid [(S)-1-((R)-3-amino-pyrrolidine-1-carbonyl)-pyrrolidin-3-yl]-methyl-amide

4'-Ethyl-biphenyl-4-carboxylic acid [(S)-1-((R)-3-amino-pyrrolidine-1-carbonyl)-pyrrolidin-3-yl]-methyl-amide

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

5-(4-Methoxy-2-methyl-phenyl)-thiophene-2-carboxylic acid [(S)-1-((R)-3-amino-pyrrolidine-1-carbonyl)-pyrrolidin-3-yl]-methyl-amide