InChI=1/C18H20N4O4S2/c23-15(19-12-6-7-13-14(8-12)26-10-25-13)9-27-18-22-21-17(28-18)20-16(24)11-4-2-1-3-5-11/h6-8,11H,1-5,9-10H2,(H,19,23)(H,20,21,24)/f/h19-20H 46B6D48D46A4B6B3