by Adekenov, Sergazy M., Zhanimkhanova, Pernesh Zh, Nurmaganbetov, Zhangeldy S., Amanzhan, Asel, Chernov, Sergey V., Turmukhambetov, Aibek Zh, Bagryanskaya, Irina Yu, Gatilov, Yurii V., Shults, Elvira E.
Published in Chemistry of heterocyclic compounds (New York, N.Y. 1965) (01.02.2019)