InChI=1/C21H21N3O3/c25-18-8-5-4-7-16(18)23-20(26)14-10-11-15-17(13-14)22-19-9-3-1-2-6-12-24(19)21(15)27/h4-5,7-8,10-11,13,25H,1-3,6,9,12H2,(H,23,26)/f/h23H CC4CEA3D63B4DB13