Ivanchenko, D. G. (2015) “Synthesis, physical-chemical and biological properties of 1,8-disubstituted of theobromine. ІV. 8-R-thioderivatives of 1-p-methylbenzyltheobronine”, Current issues in pharmacy and medicine: science and practice, (3). doi: 10.14739/2409-2932.2015.3.52389.