Hydrocarbons, C11-17, solvent-extd. light naphthenic; Gasoil — unspecified; [A complex combination of hydrocarbons obtained by extraction of the aromatics from a light naphthenic distillate having a visciosity of 2.2 cSt at 40 °C (104 °F). It consists predominantly of hydrocarbons having carbon numbers predominantly in the range of C11 through C17 and boiling in the range of approximately 200 °C to 300 °C (392 °F to 572 °F).]