94768-96-4 ACETIC ACID, (2-BENZOTHIAZOLYLTHIO)-, ((2,3-DIHYDRO-1-METHYL-2-OXO-1H-INDOL-3-YL Acetic acid, (2-benzothiazolylthio)-, ((2,3-dihydro-1-methyl-2-oxo-1H-indol-3-yl)methylene)hydrazide