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  1. 3.4. Isomers | Organic Chemistry 1: An open textbook - Lumen …

  2. 2-Heptene | C7H14 | CID 11611 - PubChem

  3. 2-Heptene, (E)- - NIST Chemistry WebBook

  4. Heptene - Wikipedia

  5. 2-Heptene, (E)- - NIST Chemistry WebBook

  6. 2-Heptene - NIST Chemistry WebBook

  7. 13.1: Alkenes- Structures and Names - Chemistry LibreTexts

  8. Hept-2-ene | C7H14 - ChemSpider

  9. trans-2-Heptene | C7H14 | CID 639662 - PubChem

  10. trans-2-Heptene 99 14686-13-6 - MilliporeSigma