InChI=1/C20H26N4O4S/c1-21-29(27,28)14-17-9-5-4-8-16(17)12-22-19(25)20(26)23-18-10-6-7-15(11-18)13-24(2)3/h4-11,21H,12-14H2,1-3H3,(H,22,25)(H,23,26)/p+1/fC20H27N4O4S/h22-24H/q+1 DB99BF3E5922CDF7