Bhatti, Huma Aslam, Qurat-Ul-Ain Zaheer, Memoona Khatoon, Mark Edward Light, and Abdul Hameed. 2014. “A Study of Coupling Reaction to Synthesize Diphenylmethane Derivatives”. European Journal of Chemistry 5 (3):513-16. https://doi.org/10.5155/eurjchem.5.3.513-516.1086.