InChI=1/C20H23N3O2/c1-16-4-2-3-5-20(16)25-14-19(24)13-22-12-17-6-8-18(9-7-17)23-11-10-21-15-23/h2-11,15,19,22,24H,12-14H2,1H3/p+1/t19-/m1/s1/fC20H24N3O2/h22H/q+1 770D51C3DA23C76C