英文同义词
7-OXO-2,3-DIHYDRO-7H-[1,3]OXAZOLO[3,2-A]PYRIMIDINE-6-CARBONITRILE;7-Oxo-2,3-dihydro-7H-[1,3]oxazolo[3,2]pyrimidine-6-qarbonitrile;7-Oxo-3,7-dihydro-2H-oxazolo[3,2-a]pyriMidine-6-carbonitrile;7H-Oxazolo[3,2-a]pyrimidine-6-carbonitrile, 2,3-dihydro-7-oxo-