InChI=1/C16H16N2OS/c1-10-18-15-5-4-11(7-14(15)16(2,3)19-10)12-6-13(8-17)20-9-12/h4-7,9-10,18H,1-3H3/t10-/m1/s1 8B20F5206BAF92D4