Two new cases of polymorphism in diagonally substituted rubrene derivatives
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The crystal structures of two rubrene derivatives, 5,11-diphenyl-6,12-bis-[4-(tri-fluoro-meth-yl)phen-yl]tetra-cene, C44H26F6, and 5,11-bis-(4-tert-butyl-phen-yl)-6,12-di-phenyl-tetra-cene, C50H44, are presented. Each are substituted on diagonal (5/11) phenyl ... ...
