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2-CHLORO-5-CHLOROMETHYLPYRIDINE CAS70258-18-3Used as a pesticide imidacloprid and acetamiprid intermediate; 2- chloro -5- chloromethylpyridine is an intermediate of pesticide imidacloprid, acetamiprid.
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Citraconic anhydride CAS616-02-4Ning kang anhydride (2 - methyl butylene anhydride) is a medicine, pesticide, surfactant and the important intermediate of chemical products such as synthetic resin.
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Cyclooctanone CAS502-49-8Organic synthesis, pharmaceutical intermediates, can be used to synthesize antidepressant Blonanserin points divide drugs (bloomberg color/color cloth south Lin Lin)