1,4-二氯吡咯并[4,3-D]哒嗪; 1,4-二氯吡啶并[4,3-D]哒嗪; 1,4-二氯-吡咯并[4,3-D]哒嗪 250MG;

1,4-DICHLOROPYRIDO[4,3-D]PYRIDAZINE; 3-d]pyridazine; 4-dichloropyrido[4; 1,4-dichloropyrido[3,4-d]pyridazine; Pyrido[3,4-d]pyridazine, 1,4-dichloro-;