di-tert-butyl [1-(3-{[4-({6-[(3-chlorobenzoyl)amino]pyridin-3-yl}amino)-6-methoxyquinazolin-7-yl]oxy}propyl)piperidin-4-yl]methyl phosphate 、
盐酸 以to yield the title compound (as the di-hydrochloride salt, 705 mg, 96% yield) as a pale yellow solid的产率得到1-[1-(3-{[4-({6-[(3-Chlorobenzoyl)amino]pyridin-3-yl}amino)-6-methoxyquinazolin-7-yl]oxy}propyl)piperidin-4-yl]methyl dihydrogen phosphate