The Collaborative International Dictionary of English v.0.48:

Oxanilide \Ox*an"i*lide\, n. [Oxalic + aniline + amide.] (Chem.)
   A white crystalline substance, resembling oxanilamide,
   obtained by heating aniline oxalate, and regarded as a double
   anilide of oxalic acid; -- called also diphenyl oxamide.
   [1913 Webster]