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1-Butene | C4H8 | CID 7844 - PubChem
1-Butene - Wikipedia
3.4. Isomers | Organic Chemistry 1: An open textbook - Lumen …
Structure of 1-BUTENE (C4H8) - Mol-Instincts
1-Butene - NIST Chemistry WebBook
1-Butene | C4H8 - ChemSpider
1-butene Formula & Structure - Purdue University
Structural Formula - Purdue University
1-butene | chemical compound | Britannica
Butene - Purdue University