InChI=1/C15H22N2O3S/c1-3-15(13(18)19)5-7-17(8-6-15)14(20)16-11(2)12-4-9-21-10-12/h4,9-11H,3,5-8H2,1-2H3,(H,16,20)(H,18,19)/p-1/t11-/m0/s1/fC15H21N2O3S/h16H/q-1 2E760F4F6E7005E9