2',6'-Bis(bromomethyl)-2',3',5',6'-tetrahydropyrano-(4'-spiro-5)-barbituric acid 2',6'-Bis-(bromometylo)-2',3',5',6'-tetrahydropirano-(4'-spiro-5)-barbiturowy [Polish] 8,10-Bis(bromomethyl)-9-oxa-2,4-diazaspiro(5.5)undecane-1,3,5-trione 9-Oxa-2,4-diazaspiro(5.5)undecane-1,3,5-trione, 8,10-bis(bromomethyl)- 99359-52-1