InChI=1/C20H26N4O4S/c1-24(2)15-20(26)23-17-8-6-7-16(13-17)14-21-19(25)11-12-22-29(27,28)18-9-4-3-5-10-18/h3-10,13,22H,11-12,14-15H2,1-2H3,(H,21,25)(H,23,26)/p+1/fC20H27N4O4S/h21,23-24H/q+1 A17DDA2E72432E45