[(3S)-4-[(2-{[(1,1-dimethylethyl)oxy]-carbonyl}-6-fluoro-2,3,4,5-tetrahydro-1H-2-benzazepin-7-yl)amino]-4-oxo-3-({[(phenylmethyl)oxy]carbonyl}amino)butyl](dimethyl)sulfonium iodide
1,1-Dimethylethyl 6-fluoro-7-[(3S)-2-oxo-3-({[(phenylmethyl)oxy]carbonyl}amino)-1-pyrrolidinyl]-1,3,4,5-tetrahydro-2H-2-benzazepine-2-carboxylate
1,1-Dimethylethyl 6-fluoro-7-[(N-{[(phenylmethyl)oxy]carbonyl}-L-methionyl)amino]-1,3,4,5-tetrahydro-2H-2-benzazepine-2-carboxylate