InChI=1/C20H19N3O4S2/c21-18(25)13-5-7-15(8-6-13)23-17(24)11-27-19(26)16-4-2-1-3-14(16)12-29-20-22-9-10-28-20/h1-8H,9-12H2,(H2,21,25)(H,23,24)/f/h23H,21H2 B2471BF2DF25DA01