InChI=1/C16H20N2OS/c1-3-18-16(19)11-17-10-14-8-9-15(20-14)13-6-4-12(2)5-7-13/h4-9,17H,3,10-11H2,1-2H3,(H,18,19)/p+1/fC16H21N2OS/h17-18H/q+1 6E851446A016FBDA