D. VARAPRASAD, G. MOHAN RAO, S. RAO, A. KALYAN CHAKRAVARTHY, and B. VIJAYAKUMAR, “Facile and Eco-friendly Synthesis of 2-(2-Methoxyethyl sulfanyl)- 1H-benzimidazoles and Their Antimicrobial Screening”, ajc, vol. 21, no. 6, pp. 4251–4257, Mar. 2010.