InChI=1/C16H16N6O3S/c1-18-26(24,25)10-4-2-9(3-5-10)22-15-11(14(21-22)16(17)23)6-7-13-12(15)8-19-20-13/h2-5,8,18,21H,6-7H2,1H3,(H2,17,23)/f/h17H2 255DB74AC9149349