14529-12-5 2H-3,1-BENZOXAZINE-2,4(1H)-DIONE, 6-CHLORO-1-METHYL- 6-Chloro-1-methyl-2H-3,1-benzoxazine-2,4(1H)-dione 6-Chloro-N-methyl IA BRN 0613893 EINECS 238-551-6