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          1. Welcome to visit: Shandong Yino Biologic Materials Co., Ltd.中文  /  English
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            • 3,4-Dihydropyran
              3,4-Dihydropyran is widely used for hydroxyl protection. It is also used to produce tetrahydropyran, pentanediol, glutaric acid, valerolactone, pentadiene through polymerization, hydrogenation, oxidation and other reactions.
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