InChI=1/C18H23N3O3/c1-2-3-6-16-19-18(11-4-5-12-18)17(22)20(16)13-14-7-9-15(10-8-14)21(23)24/h7-10H,2-6,11-13H2,1H3 2E1CA41491A0317C