InChI=1/C18H22N4O4S/c1-11-8-12(2)17(13(3)9-11)22-16(23)10-20-18(24)21-14-4-6-15(7-5-14)27(19,25)26/h4-9H,10H2,1-3H3,(H,22,23)(H2,19,25,26)(H2,20,21,24)/f/h20-22H,19H2 1979323FA6430F31