[1]
O. V. Tkachenko, S. V. Vlasov, S. M. Kovalenko, I. O. Zhuravel’, and V. P. Chernykh, “Synthesis and the antimicrobial activity of ethyl 5-methyl-2-(alkylthio)-4-oxo-3,4-dihydrothieno [2,3-d]pyrimidine-6-carboxylates”, J. Org. Pharm. Chem., vol. 11, no. 3(43), pp. 9–15, Sep. 2013.