InChI=1/C16H20N2OS/c1-11-9-15(20-12(11)2)16(19)17-14-7-5-13(6-8-14)10-18(3)4/h5-9H,10H2,1-4H3,(H,17,19)/p+1/fC16H21N2OS/h17-18H/q+1 7E18638A69943B00