by Aryku, A. N., Koltsa, M. N., Vlad, O. V.
Published in Chemistry of natural compounds (01.03.1991)

by POPA,DRAGOS,RO, VLAD,IONEL V.,RO, CALIFARU,NICOLAE,RO
Year of Publication 15.03.1984

by JURBA MIHAI,RO, CAPATINA VALERIU,RO, VLAD IONEL V.,RO, IONESCU PALLAS N.,RO, SOLOMON STEFAN,RO, VLAD ADRIANA,RO
Year of Publication 30.12.1987