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  1. Butyne - Wikipedia

  2. 1-Butyne - Wikipedia

  3. 1-Butyne | C4H6 | CID 7846 - PubChem

  4. 1-Butyne - NIST Chemistry WebBook

  5. But-1-yne | C4H6 - ChemSpider

  6. Structure of 1-BUTYNE (C4H6) - Mol-Instincts

  7. 1-Butyne - Wikiwand

  8. 10.8: Alkynes - Chemistry LibreTexts

  9. 3.4. Isomers | Organic Chemistry 1: An open textbook - Lumen …

  10. Butyne Structural Formula & Isomers - Lesson - Study.com

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