89632-43-9 ACETIC ACID, ((5-((4-METHYLPHENYL)AMINO)-1,3,4-THIADIAZOL-2-YL)THIO)-, 2-(2,4-DI Acetic acid, ((5-((4-methylphenyl)amino)-1,3,4-thiadiazol-2-yl)thio)-, 2-(2,4-dinitrophenyl) hydrazide