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  1. Heptane | C7H16 | CID 8900 - PubChem

  2. Heptane - Wikipedia

  3. Structure of HEPTANE (C7H16) - Mol-Instincts

  4. Heptane - NIST Chemistry WebBook

  5. Heptane | C7H16 - ChemSpider

  6. Heptane Formula & Structure - Purdue University

  7. 16.3: Branched Hydrocarbons - Chemistry LibreTexts

  8. Heptane - NIST Chemistry WebBook

  9. Heptane - NIST Chemistry WebBook

  10. Heptane - Purdue University