InChI=1/C18H20N2S/c1-11-7-14(10-19)21-17(11)13-5-6-16-15(8-13)12(2)9-18(3,4)20-16/h5-8,12,20H,9H2,1-4H3/t12-/m1/s1 DFD0AABBC0A078A6