cresorcin

from The Collaborative International Dictionary of English v.0.48

Isorcin \I*sor"cin\, n. [Iso- + orcin.] (Chem.)
   A crystalline hydrocarbon derivative, metameric with orcin,
   but produced artificially; -- called also {cresorcin}.
   [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Cresorcin \Cre*sor"cin\ (kr?-s?r"s?n), n. (Chem.)
   Same as {Isorcin}.
   [1913 Webster]