InChI=1/C21H26N4O4S/c1-16-5-3-11-23(15-16)30(28,29)18-8-9-20(21(13-18)25(26)27)24-12-4-7-19(24)17-6-2-10-22-14-17/h2,6,8-10,13-14,16,19H,3-5,7,11-12,15H2,1H3/t16-,19-/m1/s1 B557016E53D08021