Citraconic
Cit`ra*con"ic\, a. [Citric + aconitic.] Pertaining to, derived from, or having certain characteristics of, citric and aconitic acids. Citraconic acid (Chem.), a white, crystalline, deliquescent substance, C3H4(CO2H)2, obtained by distillation of citric acid. It is a compound of the ethylene series.