The molecular formula C₁₇H₂₆O₃ (molar mass :278.39 g/mol) may refer to:

• Isofalcarintriol, a polyacetylene found in carrots
• Panaxytriol, a fatty alcohol found in ginseng
• Paradol, the active flavor constituent of the seeds of Guinea pepper

Index of chemical compounds with the same molecular formula

This set index page lists chemical structure articles associated with the same molecular formula.
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