InChI=1S/C14H20N2O3S2/c17-12(15-9-4-1-2-7-14(18)19)8-11-20-21-13-6-3-5-10-16-13/h3,5-6,10H,1-2,4,7-9,11H2,(H,15,17)(H,18,19)