2H-1,3-Benzoxazine-2,4(3H)-dione, 6-nitro-2-thio- 6-Nitro-2-thio-2H-1,3-benzoxazine-2,4(3H)-dione 6-Nitro-dihydro-1,3-benzoxazine-2-thione-4-one DM3146000