InChI=1/C13H12N2O2S/c1-3-17-12(16)9-7-15-10-5-4-8(2)6-11(10)18-13(15)14-9/h4-7H,3H2,1-2H ethyl 7-methylimidazo[2,1-b][1,3]benzothiazole-2-carboxylate imidazo[2,1-b]benzothiazole-2-carboxylic acid, 7-methyl-, ethyl ester