InChI=1/C14H15N5O4S/c15-9-1-3-10(4-2-9)24(22,23)19-8-12-11(16-5-6-17-12)7-13(19)14(20)18-21/h1-6,13,21H,7-8,15H2,(H,18,20)/t13-/m1/s1/f/h18H 0F1A29C7610A99A7