1,4-Dihydro-6-bromo-4,4-dimethyl-1-isobutyl-2H-3,1-benzoxazin-2-one 21441-07-6 2H-3,1-Benzoxazin-2-one, 1,4-dihydro-6-bromo-4,4-dimethyl-1-isobutyl- BRN 1123077