Synonyms: 2H-1,4-Benzoxazin-3(4H)-one,6-(chloroacetyl)- (8CI,9CI); 6-(2-Chloroacetyl)-4H-[1,4]-benzoxazin-3-one;6-(2-Chloroacetyl)-4H-benzo[1,4]oxazin-3-one;6-(2-Chloroethanoyl)-4H-benzo[1,4]oxazin-3-one;6-(Chloroacetyl)-2H-1,4-benzoxazin-3(4H)-one;6-(Chloroacetyl)-2H-1,4-benzoxazin-4H-one