InChI=1/C18H23N3O3/c1-11-7-9-18(10-8-11)16(23)21(17(24)19-18)20-15(22)14-6-4-5-12(2)13(14)3/h4-6,11H,7-10H2,1-3H3,(H,19,24)(H,20,22)/f/h19-20H 04BB681A9FABDDBE