Chen, Ren-Hong, Jin-Feng Xiong, Pai Peng, Guang-Zhen Mo, Xing-San Tang, Zhao-Yang Wang, and Xiu-Fang Wang. 2014. “Synthesis of Benzimidazoles from Amino Acids With Solvent-Free Melting Method”. Asian Journal of Chemistry 26 (3):926-32. https://doi.org/10.14233/ajchem.2014.16438.