InChI=1/C18H27N3O2/c1-15-5-4-7-17(13-15)20-11-9-19(10-12-20)14-16-6-2-3-8-18(16)21(22)23/h2-3,6,8,15,17H,4-5,7,9-14H2,1H3/p+1/t15-,17-/m0/s1/fC18H28N3O2/h20H/q+1 1BFA2E80CEA180F9