InChI=1/C21H25N3O3S/c1-3-5-14-26-18-12-8-17(9-13-18)20(25)27-19-10-6-16(7-11-19)15-23-24-21(28)22-4-2/h6-13,15H,3-5,14H2,1-2H3,(H2,22,24,28)/b23-15+/f/h22,24H 0775D2ED9CBCC2B7