1,4-Dihydro-1-methyl-4-phenyl-2H-3,1-benzoxazin-2-one 2H-3,1-Benzoxazin-2-one, 1,4-dihydro-1-methyl-4-phenyl- 35382-72-0 4-Phenyl-1-methyl-1,4-dihydro-2H-3,1-benzoxazin-2-one BRN 1118505