InChI=1/C20H18N2OS/c21-13-14-5-4-6-15(11-14)16-7-8-18-17(12-16)20(23-19(24)22-18)9-2-1-3-10-20/h4-8,11-12H,1-3,9-10H2,(H,22,24)/f/h22H 3F07D81FC4394AC8