InChI=1/C21H23N3O2/c1-2-16-6-5-9-19(12-16)23-21(26)22-13-20(25)15-24-11-10-17-7-3-4-8-18(17)14-24/h1,3-9,12,20,25H,10-11,13-15H2,(H2,22,23,26)/p+1/t20-/m1/s1/fC21H24N3O2/h22-24H/q+1 159AB36B037F8E65