title: C18H25N
text: # C18H25N
  
  The molecular formula $C_{18}H_{25}N$ (molar mass: 255.40 g/mol, exact mass: 255.1987 u) may refer to:
  
  * Dimemorfan, or 3,17-dimethylmorphinan, a cough suppressant of the morphinan family
  * Volazocine, an opioid analgesic of the benzomorphan class which was never marketed
  