6-azido-1,3-dimethyl-5-phenylpyrimidine-2,4-dione

6-amino-1,3-dimethyl-5-phenyl-pyridino-2,4(1H,3H)-dione

6-chloro-1,3-dimethyl-5-phenylpyrimidine-2,4-dione

1,3-dimethyl-6-triphenylphosphoranylideneamino-5-phenyl-pyrimidine-2,4(1H,3H)-dione

6-(1H-benzo[d][1,2,3]triazol-1-yl)-1,3-dimethylpyrimidine-2,4(1H,3H)-dione