英文别名5-methyl-4H-1,4-benzoxazin-3-one; 5-METHYL-3,4-DIHYDRO-2H-1,4-BENZOXAZIN-3-ONE; 5-methyl-4H-benzo[1,4]oxazin-3-one; 5-METHYL-2H-1,4-BENZOXAZIN-3(4H)-ONE; 5-methyl-4H-benz[1,4]oxazin-3-one; 5-methylbenzox-4-azin-3-one; 5-Methyl-4H-benz[1,4]oxazin-3-on; 2H-1,4-BENZOXAZIN-3(4H)-ONE,5-METHYL 
