InChI=1/C14H20N3O3S/c1-15-14(18)16-11-7-9-12(10-8-11)17-21(19,20)13-5-3-2-4-6-13/h7-10,13H,2-6H2,1H3,(H2,15,16,18)/q-1/f/h15-16H 81EB8FAF5544561E