英文别名
                        3-(2-bromo-5-methoxyphenyl)-7-[(4,4-dioxo-2,3-dihydro-1,4lambda6-benzoxathiin-6-yl)amino]-1-methyl-4H-pyrimido[4,5-d]pyrimidin-2-one;3-(2-bromo-5-methoxyphenyl)-7-[(4,4-dioxo-2,3-dihydro-1,4λ6-benzoxathiin-6-yl)amino]-1-methyl-4H-pyrimido[4,5-d]pyrimidin-2-one