by Andreeva, T.I, Bereznegovskaya, L.N
Published in Chemistry of natural compounds (1977)

by Smorodin, A.V, Smorodin, V.V, Bereznegovskaya, L.N
Published in Pharmaceutical chemistry journal (1974)

by Bereznegovskaya, L.N, Smorodin, V.V, Smorodin, A.V, Gusev, I.F
Published in Pharmaceutical chemistry journal (1976)