Hubei yuancheng pharmaceutical co.
chemical synthetic drug, pharmaceutical intermediates, Chemical raw materials, chemical antisepsis, flavor & essence, and food additive
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2,4-dimethylcinnamic acid-
2,5-dichlorocinnamic acid
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2,6-dichlorocinnamic acid
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2,6-difluorocinnamic acid
2-ethoxycinnamic acid-
2-bromo cinnamic acid
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