InChI=1/C20H17N3O4S/c24-20-8-1-14-13-18(6-7-19(14)22-20)28(25,26)23-15-2-4-16(5-3-15)27-17-9-11-21-12-10-17/h2-7,9-13,23H,1,8H2,(H,22,24)/p+1/fC20H18N3O4S/h21-22H/q+1 C8642FFE31F62C69