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  1. Heptane - Wikipedia

  2. Heptane - Simple English Wikipedia, the free encyclopedia

  3. Nomenclature of Alkanes II - Chemistry LibreTexts

  4. What does septane mean? - Definitions.net

  5. septane - Wiktionary, the free dictionary

  6. Heptane | Fisher Scientific

  7. Septane Definition & Meaning - YourDictionary

  8. Heptane Formula & Structure - Purdue University

  9. Septane - definition of Septane by The Free Dictionary

  10. SYSTANE® COMPLETE Lubricant Eye Drops - Alcon