(1)
Zhang, W.-M.; Qian, S.-S.; You, Z. Synthesis, Characterization and Crystal Structures of N,N’-bis(5-Fluoro-2-Hydroxybenzylidene)-Ethylenediamine and 4,4’-Difluoro-2,2’-[(hydrazine-1,2-diylidene)bis(methanylylidene)]diphenol. ajc 2014, 26, 7843-7845.