InChI=1/C19H17N5O4S/c1-23-15-11-14(21-17(15)18(25)24(2)19(23)26)12-6-8-13(9-7-12)29(27,28)22-16-5-3-4-10-20-16/h3-11H,1-2H3,(H2,20,21,22,25)/p-1/fC19H16N5O4S/h21H/q-1 7221047374B4378B