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
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