C18H18O3 explained

The molecular formula C₁₈H₁₈O₃ may refer to:

• Erteberel (SERBA-1), a synthetic, nonsteroidal estrogen which acts as a selective ERβ agonist
• Obovatol, a biphenolic anti-inflammatory, anxiolytic, and nootropic
• SERBA-2, a synthetic, nonsteroidal estrogen which acts as a selective ERβ agonist