InChI=1/C18H20N2S/c1-12(18-13(2)21-14(3)20-18)19-11-16-9-6-8-15-7-4-5-10-17(15)16/h4-10,12,19H,11H2,1-3H3/p+1/t12-/m1/s1/fC18H21N2S/h19H/q+1 A1419179A1841D4B