InChI=1/C21H29N3O2/c1-3-14-24(15-4-2)16-20(25)22-19-12-10-17(11-13-19)21(26)23-18-8-6-5-7-9-18/h3-4,10-13,18H,1-2,5-9,14-16H2,(H,22,25)(H,23,26)/p+1/fC21H30N3O2/h22-24H/q+1 72ECDE0D409BFA9D