InChI=1/C18H29N3O2/c1-13(2)21(3)11-7-6-10-19-17(22)15-12-14-8-4-5-9-16(14)20-18(15)23/h12-13H,4-11H2,1-3H3,(H,19,22)(H,20,23)/p+1/fC18H30N3O2/h19-21H/q+1 FEF6041F6443EF7B