“α-Pyridinic Analogs of 2,5-Diaryloxazole As Chemosensing Compounds Sensitive to Heavy Metals Ions”. V. N. Karazin Kharkiv National University Bulletin. Chemical Series, no. 21, Dec. 2012, pp. 97-107, https://doi.org/10.26565/2220-637X-2012-21-06.