InChI=1/C14H20N2O3S/c1-10-7-8-12(20(2,18)19)9-13(10)16-14(17)15-11-5-3-4-6-11/h7-9,11H,3-6H2,1-2H3,(H2,15,16,17)/f/h15-16H D38E493F13AA0276