The molecular formula C₁₈H₂₆O₅ may refer to:

• Taleranol (β-zearalanol), a synthetic, nonsteroidal estrogen which was never marketed
• Zeranol (α-zearalanol), a synthetic nonsteroidal estrogen used mainly as an anabolic agent in veterinary medicine

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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