Bhola, Y. et al. 2019. Synthesis of Formic Acid Catalyzed and Cyclized Novel Modified Route for N,7-diphenyl-7H-benzo[7,8]chromeno[2,3-d]pyrimidin-8-amine Derivatives and Study of their Antimicrobial Profile. Asian Journal of Organic & Medicinal Chemistry. 4, 4 (Dec. 2019), 273–276. DOI:https://doi.org/10.14233/ajomc.2019.AJOMC-P194.