1-(4-溴苯基)-2-硫氧代-1,2,3,4-四氢吡啶并[2,3-d]嘧啶-4-酮

1-(4-methylphenyl)-2-methylsulfanylpyrido[2,3-d]pyrimidin-4-one

2-三氧代-2,3-二氢吡啶并[2,3-d]嘧啶-4(1h)-酮