1,3-Dimethyl-5-bromouracil 2,4(1H,3H)-Pyrimidinedione, 5-bromo-1,3-dimethyl- 5-Bromo-1,3-dimethyl-2,4(1H,3H)-pyrimidinedione 5-Bromo-1,3-dimethyluracil 7033-39-8