di-tert-butyl [(2S)-1-(3-{[4-({6-[(3-chlorobenzoyl)amino]pyridin-3-yl}amino)-6-methoxyquinazolin-7-yl]oxy}propyl)pyrrolidin-2-yl]methyl phosphate 、
盐酸 以to yield the title compound (as the di-hydrochloride salt, 393 mg, 90% yield) as a pale yellow solid的产率得到1-[(2S)-1-(3-{[4-({6-[(3-chlorobenzoyl)amino]pyridin-3-yl}amino)-6-methoxyquinazolin-7-yl]oxy}propyl)pyrrolidin-2-yl]methyl dihydrogen phosphate