4-[[9-chloro-7-(2-fluoro-6-methoxyphenyl)-5H-pyrimido[5,4-d][2]benzazepin-2-yl]amino]-2-methoxybenzoic acid 4-[[9-chloro-7-(2-fluoro-6-methoxy-phenyl)-5H-pyrimido[5,4-d][2]benzazepin-2-yl]amino]-2-methoxy-benzoic acid