InChI=1/C18H18N4O4S2/c1-26-12-2-4-14-15(9-12)21-18(20-14)27-10-17(23)22-7-6-11-8-13(28(19,24)25)3-5-16(11)22/h2-5,8-9H,6-7,10H2,1H3,(H,20,21)(H2,19,24,25)/f/h21H,19H2 761A4D14DA894DB5