C14H10

from The Collaborative International Dictionary of English v.0.48

Phenanthrene \Phe*nan"threne\, n. [Phenyl + antracene.] (Chem.)
   A complex hydrocarbon, {C14H10}, found in coal tar, and
   obtained as a white crystalline substance with a bluish
   fluorescence.
   [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Tolane \To*lane"\, n. [From {Toluene}.] (Chem.)
   A hydrocarbon, {C14H10}, related both to the acetylene and
   the aromatic series, and produced artificially as a white
   crystalline substance; -- called also {diphenyl acetylene}.
   [1913 Webster]

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