InChI=1/C20H23N3O4S/c1-4-23(5-2)28(24,25)16-11-12-18(26-3)17(13-16)22-20-21-14-19(27-20)15-9-7-6-8-10-15/h6-14H,4-5H2,1-3H3,(H,21,22)/f/h22H 7B8B8D2117F61CFF