Gomes, L. R., Santos, L. M. N. B. F., Beleza, J., & Low, J. N. (2011). Structural and electronic effects of the C2’ substituent in 1,4–benzodiazepines. European Journal of Chemistry, 2(1), 1–7. https://doi.org/10.5155/eurjchem.2.1.1-7.322