InChI=1/C16H20N2OS/c1-11-9-14(12(2)20-11)16(19)17-15-8-6-5-7-13(15)10-18(3)4/h5-9H,10H2,1-4H3,(H,17,19)/p+1/fC16H21N2OS/h17-18H/q+1 26987CD8582BF9D4