InChI=1/C19H17N3O4S/c23-18-17(27-19(20-18)21-10-2-1-3-11-21)12-15-8-9-16(26-15)13-4-6-14(7-5-13)22(24)25/h4-9,12H,1-3,10-11H2/b17-12-	782F768C937543FB