InChI=1/C20H26N4O4S/c25-19(22-14-8-11-29(27,28)13-14)6-3-9-21-20(26)24-10-7-16-15-4-1-2-5-17(15)23-18(16)12-24/h1-2,4-5,14,18H,3,6-13H2,(H,21,26)(H,22,25)/p+1/t14-,18+/m0/s1/fC20H27N4O4S/h21-23H/q+1 3C2FD0B726D44B52