CPC Subgroup
C07C 15/24 containing two rings
Full Title
Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic parts > Polycyclic condensed hydrocarbons > containing two rings
C07C 15/24 Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic parts > Polycyclic condensed hydrocarbons > containing two rings