InChI=1/C15H18N2OS/c1-18-9-11-4-2-3-10(7-11)8-13-14(12-5-6-12)17-15(16)19-13/h2-4,7,12H,5-6,8-9H2,1H3,(H2,16,17)/f/h16H2 21D480621438CD0B