InChI=1/C20H23N3O3/c24-20(21-18-8-4-5-9-19(18)23(25)26)15-22-12-10-17(11-13-22)14-16-6-2-1-3-7-16/h1-9,17H,10-15H2,(H,21,24)/p+1/fC20H24N3O3/h22,24H/q+1 B12E1864087623B1