Four cycloalkanespiro-4'-imidazolidine-2',5'-dithiones.
Shivachev
Boris
B
Bulgarian Academy of Sciences, CL of Mineralogy and Crystallography, Acad G. Bonchev Str. build. 107, 1113 Sofia, Bulgaria.
Petrova
Rosica
R
Marinova
Petja
P
Stoyanov
Neyko
N
Ahmedova
Anife
A
Mitewa
Mariana
M