InChI=1S/C17H16N4O3S/c18-12(17(23)24)8-25-9-14(22)21-13-7-10-3-1-5-19-15(10)16-11(13)4-2-6-20-16/h1-7,12H,8-9,18H2,(H,21,22)(H,23,24)/t12-/m0/s1