InChI=1/C20H21N5O5S2/c26-25(27)19-6-2-1-4-16(19)5-3-11-21-23-20(31)22-17-7-9-18(10-8-17)32(28,29)24-12-14-30-15-13-24/h1-11H,12-15H2,(H2,22,23,31)/b5-3+,21-11+/f/h22-23H 88E34396C94C2D01