InChI=1/C18H21N3O3/c1-21-12-15(14-4-2-3-5-16(14)21)17(22)20-19-13-6-8-18(9-7-13)23-10-11-24-18/h2-5,12H,6-11H2,1H3,(H,20,22)/f/h20H 09201F9A59653EF0