InChI=1/C19H20N4O3S/c24-19(16-12-14-4-1-6-17(23(25)26)18(14)20-16)22-8-3-7-21(9-10-22)13-15-5-2-11-27-15/h1-2,4-6,11-12,20H,3,7-10,13H2/p+1/fC19H21N4O3S/h21H/q+1 1F6A0CA7B57B818E