InChI=1S/C20H23N2OS/c1-15(22(2)13-7-8-14-22)20(23)21-16-9-3-5-11-18(16)24-19-12-6-4-10-17(19)21/h3-6,9-12,15H,7-8,13-14H2,1-2H3/q+1