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  1. Propionic anhydride - Wikipedia

  2. PROPIONIC ANHYDRIDE | CAMEO Chemicals | NOAA

  3. Propanoic acid, anhydride - NIST Chemistry WebBook

  4. Propionic anhydride | C6H10O3 | CID 31263 - PubChem

  5. Propionic anhydride - Wikiwand

  6. Propanoic anhydride - chemeurope.com

  7. Propanoic acid, anhydride - NIST Chemistry WebBook

  8. Propionic anhydride | C6H10O3 - ChemSpider

  9. Propionic anhydride = 99 123-62-6 - MilliporeSigma

  10. Propionic anhydride - Sciencemadness Wiki

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