InChI=1/C18H21N3O/c1-2-12-5-3-6-15-14-9-8-13(11-16(14)21-18(12)15)20-17(22)7-4-10-19/h3,5-6,8-9,11,21H,2,4,7,10,19H2,1H3,(H,20,22)/p+1/fC18H22N3O/h19-20H/q+1 8B68AEF2CD653522