InChI=1/C18H20N2OS/c1-3-21-15-9-10-17-16(11-15)19-18(12-22)20(17)13(2)14-7-5-4-6-8-14/h4-11,13,22H,3,12H2,1-2H3/t13-/m0/s1 D2EDEFA2521CB591