英文别名
2,7-Dimethyl-3,4-dihydro-pyrimido[4,5-d]pyrimidin;2,7-dimethyl-3,4-dihydro-1,3,6,8-tetraaza-naphthalene;2,7-Dimethyl-5,6-dihydropyrido-<4,5-d>pyrimidine;2,7-Dimethyl-5,6-dihydropyrimido<4,5-d>pyrimidin;3,4-Dihydro-2,7-dimethylpyrimido<4,5-d>pyrimidin;3,4-Dihydro-2,7-dimethylpyrimido[4,5-d]pyrimidine;2,7-dimethyl-5,8-dihydropyrimido[4,5-d]pyrimidine