InChI=1/C20H19N3O5S/c1-13-11-18(14(2)28-13)20(25)22-21-19(24)15-7-6-8-16(12-15)23-29(26,27)17-9-4-3-5-10-17/h3-12,23H,1-2H3,(H,21,24)(H,22,25)/f/h21-22H 44EE92A3CE69A4D7