InChI=1/C21H17N3O5S/c25-21(18-6-2-4-8-20(18)24(26)27)22-16-9-11-17(12-10-16)30(28,29)23-14-13-15-5-1-3-7-19(15)23/h1-12H,13-14H2,(H,22,25)/f/h22H DA57AEB316BB7729