InChI=1/C20H19N3O4S/c1-12-4-6-14(7-5-12)19(26)22-20-23(11-18(25)27-3)16-9-8-15(21-13(2)24)10-17(16)28-20/h4-10H,11H2,1-3H3,(H,21,24)/f/h21H F0DF6A947A953F0F