CAS Number: 97-67-6
Chemical Name: L-(-)-Malic Acid
Molecular Formula: C4H6O5
Molecular Weight: 134.09

CAS Number: 110-17-8
Chemical Name: Fumaric Acid
Molecular Formula: C4H4O4
Molecular Weight: 116.07

CAS Number: 110-16-7
Chemical Name: Maleic Acid
Molecular Formula: C4H4O4
Molecular Weight: 116.07