InChI=1/C20H19N3O4S/c1-23-19(17-11-26-14-6-2-3-7-15(14)27-17)21-22-20(23)28-12-13-5-4-8-16-18(13)25-10-9-24-16/h2-8,17H,9-12H2,1H3/t17-/m0/s1 E2FBC29CDC637C62