InChI=1/C16H20N2OS/c1-18(2)11-12-6-4-5-7-15(12)20-16-9-8-13(19-3)10-14(16)17/h4-10H,11,17H2,1-3H3/p+1/fC16H21N2OS/h18H/q+1 985CFD2EA06925C8