InChI=1/C21H27N3O4S/c1-16(2)20(28-17-7-9-18(10-8-17)29(3,26)27)21(25)24-14-12-23(13-15-24)19-6-4-5-11-22-19/h4-11,16,20H,12-15H2,1-3H3/p+1/t20-/m0/s1/fC21H28N3O4S/h22H/q+1 D2E0990F3E280EA9