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Structure of 1-BUTENE (C4H8) - Mol-Instincts
1-butene Formula & Structure - Purdue University
1-Butene - NIST Chemistry WebBook
1-Butene | C4H8 | CID 7844 - PubChem
1-Butene - Wikipedia
Butene - Purdue University
1-Butene | C4H8 - ChemSpider
1-Butene - NIST Chemistry WebBook
Structural Formula - Purdue University
Butene Overview, Formula & Structure - Lesson | Study.com