3-(2-(Diethylamino)ethoxy)-5-methyl-8-nitro-5H-pyridazino(3,4-b)(1,4)benzoxazine 5H-Pyridazino(3,4-b)(1,4)benzoxazine, 3-(2-(diethylamino)ethoxy)-5-methyl-8-nitro- 61939-66-0 BRN 1094072