InChI=1/C15H20N2OS/c18-15(16-9-5-1-2-6-10-19)14-11-12-7-3-4-8-13(12)17-14/h3-4,7-8,11,17,19H,1-2,5-6,9-10H2,(H,16,18)/f/h16H 27BFC9382D2F161E