InChI=1/C18H27N3O2/c1-15-6-12-20(13-7-15)17-8-10-19(11-9-17)14-16-2-4-18(5-3-16)21(22)23/h2-5,15,17H,6-14H2,1H3/p+1/fC18H28N3O2/h20H/q+1 417600E3C2EF2FA0