InChI=1/C19H20N2OS/c1-10-6-7-15(11(2)8-10)19-21-16(9-23-19)18-12(3)17(14(5)22)13(4)20-18/h6-9,13H,1-5H3/t13-/m1/s1 63E3BE6DD890D6C2