2,5,8-Tris(diphenylphosphoryl)- and 2,5,8-tris(diphenylthiophosphoryl)-2,3,4,5,6,7,8,9-octahydro-1H-cyclopent[e]-asym-indacene-2,5,8-tricarbonitriles as a novel type of polycondenced systems
Irina Leonovna Odinets, Oleg Ivanovich Artyushin, Pavel Vasil'evich Petrovskii, Tatyana Alekseevna Mastryukova
Volume 12, Issue 4, 135-137
Communication , 12 September 2002