3-benzoyl-5-bromo-1H-pyrimidine-2,4-dione

仲班酸

5,6-二羟基-1H-嘧啶-2,4-二酮

5-溴嘧啶-2,4,6(1h,3h,5h)-三酮

5,5-二羟基六氢嘧啶-2,4,6-三酮