102571-44-8 AMMONIUM, (((1-BUTYL-3,6-DIMETHYL-2,4-DIOXO-1,2,3,4-TETRAHYDRO-5-PYRIMIDINYL)CAR Ammonium, (((1-butyl-3,6-dimethyl-2,4-dioxo-1,2,3,4-tetrahydro-5-pyrimidinyl)carbamoyl)methyl)trimethyl-, bromide