c6h3.ch3.(oh)2


From The Collaborative International Dictionary of English v.0.48:

Orcin \Or"cin\, n. [Etymology uncertain: cf. F. orcine.] (Chem.)
   A colorless crystalline substance, C6H3.CH3.(OH)2, which is
   obtained from certain lichens (Roccella, Lecanora, etc.),
   also from extract of aloes, and artificially from certain
   derivatives of toluene. It changes readily into orcein.
   [1913 Webster]
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