InChI=1/C18H16N4O3S/c1-3-15-21-22-16(23)8-12(20-18(22)26-15)9-19-11-4-5-13-10(2)6-17(24)25-14(13)7-11/h4-8,19H,3,9H2,1-2H3 888C4B89A39EB1D3