Synonyms: 2(3H)-Benzothiazolone, 3-methyl-, hydrazone;2-Benzothiazolone, 3-methyl-, hydrazone;3-Methylbenzothiazol-2(3H)-one hydrazone;2-hydrazinylidene-3-methyl-2,3-dihydro-1,3-benzothiazole;(2Z)-2-hydrazono-3-methyl-2,3-dihydro-1,3-benzothiazole;(2Z)-2-hydrazinylidene-3-methyl-2,3-dihydro-1,3-benzothiazole hydrochloride (1:1)