InChI=1/C19H19NOS/c21-15-6-4-5-13(11-15)14-7-8-17-16(12-14)19(18(22)20-17)9-2-1-3-10-19/h4-8,11-12,21H,1-3,9-10H2,(H,20,22)/f/h20H D37C63115C9E75A6