di(tert-butyl) {(2S)-1-[3-({4-[(5-{2-[(2,3-difluorophenyl)amino]-2-oxoethyl}-1H-pyrazol-3-yl)amino]quinazolin-7-yl}oxy)propyl]pyrrolidin-2-yl}methyl phosphate 、
L-脯氨醇 以yielded N-(2,3-difluorophenyl)-2-{3-[(7-{3-[(2S)-2-(hydroxymethyl)pyrrolidin-1-yl]propoxy}-quinazolin-4-yl)amino]-1H-pyrazol-5-yl}acetamide as a pale yellow solid (547 mg, 40% yield)的产率得到N-(2,3-difluorophenyl)-2-{3-[(7-{3-[(2S)-2-(hydroxymethyl)pyrrolidin-1-yl]propoxy}quinazolin-4-yl)amino]-1H-pyrazol-5-yl}acetamide