ethyl 2-(1-(3-((4R,6S)-1-((acetylamino)methyl)-8-chloro-6-(2,3-dimethoxyphenyl)-4H,6H-pyrrolo(1,2-a)(4,1)benzoxazepin-4-yl)propanoyl)-4-piperidinyl)acetate

ethyl 3-(3-((4R,6S)-8-chloro-6-(2,3-dimethoxyphenyl)-4H,6H-pyrrolo(1,2-a)(4,1)benzoxazepin-4-yl)propanoyl)-3-azabicyclo(3.1.0)hexane-1-carboxylate

2-[(3R)-3-({3-[(4R,6S)-8-Chloro-6-(2,3-dimethoxyphenyl)-4H,6H-pyrrolo[1,2-a][4,1]benzoxazepin-4-yl]propanoyl}amino)-2-oxopiperidinyl]acetic acid

3-(4-{3-[(4R,6S)-8-Chloro-6-(2,3-dimethoxyphenyl)-4H,6H-pyrrolo[1,2-a][4,1]benzoxazepin-4-yl]propanoyl}-2-oxo-1-piperazinyl)propanoic acid

ethyl 2-(4-(3-((4R,6S)-1,8-dichloro-6-(2,3-dimethoxyphenyl)-4H,6H-benzo[e]pyrrolo[2,1-c][1,4]oxazepin-4-yl)propanoyl)-2-oxopiperazin-1-yl)acetate