2-Chloronicotinonitrile2-Chloro-3-cyanopyridine2-Chloronicotinonitrile 97%2-Chloropyridine-3-carbonitrile2-Chloro-3-pyridinecarbonitrile2-氯-3-氰基吡啶2-Chloronicotinonitrile2-氯-3-吡啶甲腈2-Chloro-3-pyridinecarbonitrileNSC 732872-Chloro-3-cyanopyridine2-Chloro-nicotinonitrile2-Chloro-3-cyanopyridine2-氯-3-氰基吡啶