英文别名4,6-dichloropyrimido[5,4-d]pyrimidine; Pyrimido[5,4-d]pyrimidine, 2,8-dichloro-; 2,8-Dichloro-Pyrimido[5,4-d]Pyrimidine; 2,8-DICHLOROPYRIMIDO[5,4-D]PYRIMIDINE; 2,8-DICHLOROPYRIMIDO[5,4-D][1,3]DIAZINE; 2,8-Dichloropyrimido-[5,4-d]pyrimidine; 2,8-dichloro-[1,3]diazino[5,4-d]pyrimidine 
