Naphthalic /(?)/

Naph·tha·lic

Naphthalic

a.
  1. Pertaining to, derived from, or related to, naphthalene; -- formerly used to denote any one of a series of acids derived from naphthalene, and called naphthalene acids, now specifically referring to 1,8-naphthalenedicaboxylic acid, C12H8O4. (Chem.)