SYNTHESIS, STRUCTURE, AND SPECTRAL FLUORESCENCE PROPERTIES OF 1,4-DI(5-PHENYL-2-OXAZOLYL)BENZENE HETEROANALOGS Article Obukhov A.E., Afanasiadi L.Sh., Patsenker L.D., Shershukov V.M. Chemistry of Heterocyclic Compounds. Латвийский институт органического синтеза Латвийской академии наук / Springer New York Consultants Bureau. Vol. 25. 1989. P. 1185-1189