InChI=1/C21H25N3O3/c1-16-7-5-6-10-18(16)21(27)23-13-11-20(26)24(14-12-19(22)25)15-17-8-3-2-4-9-17/h2-10H,11-15H2,1H3,(H2,22,25)(H,23,27)/f/h23H,22H2 6FC5FA47F634BB34