InChI=1/C15H22N2O3S/c1-11-5-6-12-3-2-4-14(15(12)16-11)17-21(18,19)13-7-9-20-10-8-13/h2-4,11,13,16-17H,5-10H2,1H3/t11-/m0/s1 8852C44B0222CE76