InChI=1/C17H18N4O4S/c1-18-26(24,25)15-7-2-4-12(10-15)16(22)20-13-5-3-6-14(11-13)21-9-8-19-17(21)23/h2-7,10-11,18H,8-9H2,1H3,(H,19,23)(H,20,22)/f/h19-20H 52FEF6B3C902BCC8