InChI=1/C21H27N3O3/c1-3-13-24(15-18-7-5-4-6-8-18)16-20(25)22-14-17-9-11-19(12-10-17)23-21(26)27-2/h4-12H,3,13-16H2,1-2H3,(H,22,25)(H,23,26)/p+1/fC21H28N3O3/h22-24H/q+1 1EC23C2695DDBB7A