Definition: Organic compounds that are acyclic and contain three acid groups. A member of this class is citric acid which is the first product formed by reaction of pyruvate and oxaloacetate. (From Lehninger, Principles of Biochemistry, 1982, p443)
squalestatin 1 [ 7-deoxy zaragozic acid,zaragozic acid A ] structure given in first source; inhibits both mammalian and fungal squalene synthetase; from fungus Phoma sp (Coelomycetes)