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cis-Butenedioic acid CAS110-16-7Preparation of pesticide marathon, fumaric acid, unsaturated polyester resins, dyeing auxiliaries and oil preservatives
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Succinic anhydride CAS108-30-5Used in organic synthesis, it is with alkyd resin coating, adhesive resin and anthraquinone dye raw materials, medicine, used in the production of vitamin A and sulfa drugs, etc