3-氯哒嗪-4-甲腈;3-氯-4-氰基哒嗪;
3-chloropyridazine-3-carbonitrile;QC-5747;3-Chlor-4-cyano-pyridazin;3-Chlor-4-cyan-pyridazin;3-chloro-4-pyridazinecarbonitrile;
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