Eric B. Sengeh, Romanus N. Njong and Offiong E. Offiong, Felicite Majoumo-Mbe, Emmanuel N. Nfor*,. “3.3.2. Synthesis, Crystal Structure and Biological Activity of 1-(phthalazin-1(2H)-One)[(Pyridin-2-Yl)ethylidene]hydrazone and Its Cobalt (III) Complex”. Communications in Inorganic Synthesis 3, no. 3 (1). Accessed August 19, 2019. http://www.revistas.usach.cl/ojs/index.php/Inorganic/article/view/2260.