InChI=1/C18H20N2OS/c1-13(17-10-7-11-22-17)20(3)12-16-14(2)21-18(19-16)15-8-5-4-6-9-15/h4-11,13H,12H2,1-3H3/p+1/t13-/m1/s1/fC18H21N2OS/h20H/q+1 2405F87F361520D3