Found 1 items, similar to C2H2CO2H2.
English → English (gcide) Definition: C2H2CO2H2 Fumaric \Fu*mar"ic\, a. (Chem.) Pertaining to, or derived from, fumitory (Fumaria officinalis ). [1913 Webster] Fumaric acid (Chem.), a widely occurring organic acid, extracted from fumitory as a white crystallline substance, C2H2(CO2H)2, and produced artificially in many ways, as by the distillation of malic acid; boletic acid. It is found also in the lichen, Iceland moss, and hence was also called lichenic acid. [1913 Webster]