by Belaya, N. I., Ovcharova, O. Yu, Filippenko, T. A., Nikolaevskii, A. N., Palagushkina, L. A.
Published in Russian journal of applied chemistry (01.11.2005)

by Sheinkman, A. K., Mestechkin, M. M., Kucherenko, A. P., Klyuev, N. A., Poltavets, V. N., Mal'tseva, G. A., Palagushkina, L. A., Vysotskii, Yu. B.
Published in Chemistry of heterocyclic compounds (New York, N.Y. 1965) (01.08.1974)