InChI=1/C21H21N3O3S/c1-14-4-11-19(12-5-14)28(26,27)24-18-9-7-17(8-10-18)23-21(25)20-13-6-15(2)22-16(20)3/h4-13,24H,1-3H3,(H,23,25)/f/h23H 55951DA52DEA15EF