InChI=1/C19H18N5O4S/c1-13-8-9-14(10-16(13)23-29(2,27)28)18(25)21-22-19(26)17-11-20-12-24(17)15-6-4-3-5-7-15/h3-12H,1-2H3,(H,21,25)(H,22,26)/q-1/f/h21-22H 9E486EEA9691CFF6