InChI=1/C17H18N2OS/c1-3-12-9-15(17(20)19-11(12)2)18-10-14-8-13-6-4-5-7-16(13)21-14/h4-9,18H,3,10H2,1-2H3,(H,19,20)/f/h19H 42DDEFD4B5A4E3CF