c9h7n


From The Collaborative International Dictionary of English v.0.48:

Quinoline \Quin"o*line\, n. [Quinine + L. oleum oil + -ine.]
   (Chem.)
   A nitrogenous base, C9H7N obtained as a pungent colorless
   liquid by the distillation of alkaloids, bones, coal tar,
   etc. It the nucleus of many organic bodies, especially of
   certain alkaloids and related substances; hence, by
   extension, any one of the series of alkaloidal bases of which
   quinoline proper is the type. [Written also chinoline.]
   [1913 Webster]
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