C21H24N2O2

The molecular formula C21H24N2O2 (molar mass: 336.427 g/mol) may refer to:


 * Apovincamine, an alkaloid
 * Catharanthine
 * Dehydrosecodine
 * LY-272,015
 * S-15535, a piperazine drug
 * Tabersonine