InChI=1/C14H19N3O3S/c18-14-10-11-9-12(5-6-13(11)15-14)16-21(19,20)17-7-3-1-2-4-8-17/h5-6,9,16H,1-4,7-8,10H2,(H,15,18)/f/h15H D26EC17FCF7232F8