134895-19-5 4-((((4,5-Dihydro-5-thioxo-1,3,4-thiadiazol-2-yl)azo)-2-furanylmethylene)amino)benzoic acid Benzoic acid, 4-((((4,5-dihydro-5-thioxo-1,3,4-thiadiazol-2-yl)azo)-2-furanylmethylene)amino)-