InChI=1/C18H21N3O/c22-17(21-12-8-18(14-21)7-9-19-13-18)15-3-5-16(6-4-15)20-10-1-2-11-20/h1-6,10-11,19H,7-9,12-14H2/p+1/t18-/m1/s1/fC18H22N3O/h19H/q+1 DF8059EACE4B26DA