Crossword clue: a nitrogenous hydrocarbon base, c13h9n, analogous to phenanthrene and quinoline.
1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).
Possible answers
A nitrogenous hydrocarbon base, C13H9N, analogous to phenanthrene and quinoline.