di(tert-butyl) {(2S)-1-[3-({4-[(5-{2-[(3,5-difluorophenyl)amino]-2-oxoethyl}-1H-pyrazol-3-yl)amino]-6-methoxyquinazolin-7-yl}oxy)propyl]pyrrolidin-2-yl}methyl phosphate 、
L-脯氨醇 以yielded N-(3,5-difluorophenyl)-2-{3-[(7-{3-[(2S)-2-(hydroxymethyl)pyrrolidin-1-yl]propoxy}-6-methoxyquinazolin-4-yl)amino]-1H-pyrazol-5-yl}acetamide (85 mg, 57% yield) as an off-white solid的产率得到N-(3,5-difluorophenyl)-2-{3-[(7-{3-[(2S)-2-(hydroxymethyl)pyrrolidin-1-yl]propoxy}-6-methoxyquinazolin-4-yl)amino]-1H-pyrazol-5-yl}acetamide