MeSH definition : Tricyclic ethylene-bridged naphthalene derivatives. They are found in petroleum residues
and coal tar and used as dye intermediates, in the manufacture of plastics, and in
insecticides and fungicides.;
Tricyclic ethylene-bridged naphthalene derivatives. They are found in petroleum residues
and coal tar and used as dye intermediates, in the manufacture of plastics, and in
insecticides and fungicides.