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

Methyl 3-[(4R,6S)-1,8-dichloro-6-(2,3-dimethoxyphenyl)-4H,6H-pyrrolo[1,2-a][4,1]benzoxazepin-4-yl]propanoate