C21H34O2

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The molecular formula C₂₁H₃₄O₂ (molar mass : 318.49 g/mol, exact mass : 318.25588) may refer to:

• Allopregnanolone, a neurosteroid
• Bilobol, an alkylresorcinol found in Ginkgo biloba fruits
• BSPP, a drug
• CP 47,497, an agonist of cannabinoid receptor
• Epipregnanolone
• Isopregnanolone
• Methasterone, an anabolic steroid
• Pregnanolone, a neurosteroid

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