2,4-Dihydroxybenzoic acid 2-(((4-fluorophenyl)amino)thioxomethyl)hydrazide 343-68-0 Benzoic acid, 2,4-dihydroxy-, 2-(((4-fluorophenyl)amino)thioxomethyl)hydrazide Semicarbazide, 4-(p-fluorophenyl)-1-beta-resorcyloyl-3-thio-