InChI=1/C21H31N3O3/c1-27-21(26)23-18-11-9-16(10-12-18)13-22-20(25)15-24(14-17-7-8-17)19-5-3-2-4-6-19/h9-12,17,19H,2-8,13-15H2,1H3,(H,22,25)(H,23,26)/p+1/fC21H32N3O3/h22-24H/q+1 933FD503EDAE2E5F