6-[[5-Fluoro-2-[(3,4,5-trimethoxyphenyl)amino]-4-pyrimidinyl]amino]-2,2-dimethyl-2H-pyrido[3,2-B]-1,4-oxazin-3(4H)-one841290-80-0100 % similar Fostamatinib901119-35-561 % similar 2,2-Dimethyl-2H-pyrido[3,2-B]-1,4-oxazin-3(4H)-one20348-21-433 % similar Alisertib1028486-01-230 % similar