The molecular formula C16H23NO2 (molar mass : 261.36 g/mol) may refer to:
- Bufuralol
- Ethoheptazine
- Etoxadrol
- Hexylcaine
- Idropranolol
- Isopropylphenidate
- Metheptazine
- 4'-Methoxy-α-pyrrolidinopentiophenone
- Piperocaine
- Prodine (Betaprodine)
- Properidine
- Propylketobemidone
- Propylphenidate