Aliyu H, Ojo A. Complexes of Cu(II) and Ni(II) Sulphate with Acetone and Acetaldehyde Hydrazones Derived from Valeric Acid and Isovaleric Acid. ajc [Internet]. 2011 Dec. 12 [cited 2024 Jul. 2];24(3):961-3. Available from: https://asianpubs.org/index.php/ajchem/article/view/8689