Ratnamala P. Sonawane, and Ritima Singh. “Use of 2-[{4-(1, 3- Benzoimidazole-2- Yl) Phenyl} Imino] -5- Nitro Phenol As an Analytical Reagent for Extractive Spectrophotometric Determination of Cu (II)”. World Journal of Pharmaceutical Sciences 3, no. 10 (October 3, 2015): 2119–2124. Accessed November 22, 2024. https://wjpsonline.com/index.php/wjps/article/view/benzoimidazole-2-yl-phenyl-imino-5-nitro-phenol-analytical-.