InChI=1/C14H13N3O4S/c1-7(10-11(18)16-14(22)17-12(10)19)15-9-6-4-3-5-8(9)13(20)21-2/h3-6,15H,1-2H3,(H2,16,17,18,19,22)/f/h16-17H 0722EAEB5E3A2389