InChI=1/C22H22N4O4S/c1-15-5-7-19(8-6-15)31(28,29)14-21-24-22(30-25-21)20-10-18(27)13-26(20)12-17-4-2-3-16(9-17)11-23/h2-9,18,20,27H,10,12-14H2,1H3/p+1/t18-,20+/m1/s1/fC22H23N4O4S/h26H/q+1 C8B972E6A8BC53C0