Konovalova A. M. Determination of water in pharmaceutical substance (sodium salt of diethyl ether of 4-oxo-1,4-dihydropyrazolo[5,1-C]-1,2,4-triazine-3,8-dicarboxylic acid, monohydrate) by Karl Fischer method / A. M. Konovalova, Yu. A. Glazyrina, I. M. Sapozhnikova // MedChem Russia 2019 : 4th Russian Conference on Medicinal Chemistry with international participants, June 10-14, 2019, Ekaterinburg, Russia : abstract book. - Ekaterinburg, 2019. - P. 366.