Fumaric Acid

Chambers's Encyclopaedia, Volume 5: Friday to Humanitarians, p. 32

Fumaric Acid, $H_2C_4H_2O_4$ , occurs in many plants, especially in Corydalis and Fumitory. It is of interest from a chemical point of view as being isomeric with malic acid.

Source scan(s): p. 0041