title: C11H12N2
text: # C11H12N2
  
  The molecular formula $C_{11}H_{12}N_2$ (molar mass: 172.23 g/mol, exact mass: 172.1000 u) may refer to:
  
  * 2-Methylnaphthalene-1,4-diamine (vitamin $K_6)$
  * Tryptoline, or tetrahydronorharmane
  