InChI=1/C21H27N3O3/c1-26-18-7-5-6-17(16-18)21(25)22-10-11-23-12-14-24(15-13-23)19-8-3-4-9-20(19)27-2/h3-9,16H,10-15H2,1-2H3,(H,22,25)/f/h22H 837EF59355E9A0BD