benzonaphthol

from The Collaborative International Dictionary of English v.0.48

Benzonaphthol \Ben`zo*naph"thol\, n. Also Benzonaphtol
\Ben`zo*naph"tol\ . [Benzoin + naphthol.] (Chem.)
   A white crystalline powder used as an intestinal antiseptic;
   beta-naphthol benzoate.
   [Webster 1913 Suppl.]