1 872 (3r)-4-[(3r)-3-amino-4-(2,4,5-trifluorophenyl)butanoyl]-3-(2,2,2-trifluoroethyl)-1,4-diazepan-2-one 1.000 2 565 (3r)-4-[(3r)-3-amino-4-(2,4,5-trifluorophenyl)butanoyl]-3-methyl-1,4-diazepan-2-one 0.857 3 8O3 (R)-4-(3-amino-4-(2,4,5-trifluorophenyl)butanoyl)piperazin-2-one 0.724