InChI=1/C19H17N3O4S/c1-3-27(23,24)15-7-8-17(25-2)16(10-15)22-19-21-12-18(26-19)14-6-4-5-13(9-14)11-20/h4-10,12H,3H2,1-2H3,(H,21,22)/f/h22H 8BB8F5845340C344