InChI=1/C17H20N2OS/c1-12-15(11-13-7-3-2-4-8-13)18-17(19-16(12)20)21-14-9-5-6-10-14/h2-4,7-8,14H,5-6,9-11H2,1H3,(H,18,19,20)/f/h19H 97792B2A04C07BF3