InChI=1/C11H9N3O2S/c1-2-16-11(15)9-10-14(13-12-9)7-5-3-4-6-8(7)17-10/h3-6H,2H2,1H [1,2,3]triazolo[5,1-b]benzothiazole-3-carboxylic acid, ethyl ester ethyl [1,2,3]triazolo[5,1-b][1,3]benzothiazole-3-carboxylate