Kotliar, V.M., Orlov, V.D. and Doroshenko, A.O. 2016. Electronic absorption spectroscopy of the benzimidazolic analogs of chalcone. V. N. Karazin Kharkiv National University Bulletin. Chemical series. 27 (Dec. 2016), 49-55. DOI:https://doi.org/10.26565/2220-637X-2016-27-06.