China 356783-16-9 3, 6-Dichloropyrazine-2-Carbonitrile 2-Pyrazinecarbonitrile, 3, 6-Dichloro, Find details about China Organic Synthesis, Chemicals from 356783-16-9 3, 6-Dichloropyrazine-2-Carbonitrile 2-Pyrazinecarbonitrile, 3, 6-Dichloro