英文别名Di-tert-butyl ((6-((5-fluoro-2-((3,4,5-trimethoxyphenyl)amino)pyrimidin-4-yl)amino)-2,2-dimethyl-3-oxo-2H-pyrido[3,2-b][1,4]oxazin-4(3H)-yl)methyl) phosphate; R788 intermediate; Phosphoric acid, bis(1,1-dimethylethyl) [6-[[5-fluoro-2-[(3,4,5-trimethoxyphenyl)amino]-4-pyrimidinyl]amino]-2,3-dihydro-2,2-dimethyl-3-oxo-4H-pyrido[3,2-b]-1,4-oxazin-4-yl]methyl ester 
