InChI=1/C18H18N4O3S/c23-17(11-13-5-2-1-3-6-13)19-18-15-12-14(7-8-16(15)20-21-18)22-9-4-10-26(22,24)25/h1-3,5-8,12H,4,9-11H2,(H2,19,20,21,23)/f/h19-20H 9755FDF6A2ABF655