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1-Butene - Wikipedia
1-Butene | C4H8 | CID 7844 - PubChem
1-Butene - NIST Chemistry WebBook
1-Butene | C4H8 - ChemSpider
Butene | Alkenes, Polymers, Petrochemicals | Britannica
1-butene Formula & Structure - Purdue University
13.1: Alkenes- Structures and Names - Chemistry LibreTexts
1-Butene - NIST Chemistry WebBook
1-Butene - NIST Chemistry WebBook
Butene - Purdue University