InChI=1/C20H27N3O2/c1-2-3-4-5-8-13-21-20-16-9-6-7-10-18(16)22-19-14-15(23(24)25)11-12-17(19)20/h11-12,14H,2-10,13H2,1H3,(H,21,22)/p+1/fC20H28N3O2/h21-22H/q+1 AF1AADFD855892F4