The molecular formula C22H27NO (molar mass: 321.45 g/mol, exact mass: 321.2093 u) may refer to:
- Etybenzatropine, also known as ethybenztropine and tropethydrylin
- Phenazocine
The molecular formula C22H27NO (molar mass: 321.45 g/mol, exact mass: 321.2093 u) may refer to: