3,6-二氯-4(1H)-哒嗪酮

5,6-二氯吡嗪-3(2H)-酮

3,6-Dichloro-4-ethoxypyridazine

3-(3-chloro-8-nitropyridazino[3,4-b][1,4]benzoxazin-5-yl)-N,N-dimethylpropan-1-amine