InChI=1/C18H27N3O2/c1-5-6-10-19-17(22)23-13-7-8-15-14(12-13)18(2)9-11-20(3)16(18)21(15)4/h7-8,12,16H,5-6,9-11H2,1-4H3,(H,19,22)/t16-,18-/m0/s1/f/h19H 87266691869E59B4