1-Methyl-6-nitro-2H-3,1-benzoxazine-2,4(1H)-dione 2H-3,1-Benzoxazine-2,4(1H)-dione, 1-methyl-6-nitro- 4693-01-0 5-Nitro-N-methylisatoic anhydride EINECS 225-150-6