Zinchenko, H. M., Muzychka, L. V., Verves, Y. V., & Smolii, O. B. (2016). A convenient approach to the synthesis of new 4-amino substituted derivatives pyrido[2,3-d]pyrimidin-7-one. Journal of Organic and Pharmaceutical Chemistry, 14(4(56), 40–47. https://doi.org/10.24959/ophcj.16.906