InChI=1/C16H21N3O3/c1-4-17-13-11-7-5-6-8-12(11)22-15(20)14(13)19-16(21)18-9-10(2)3/h5-8,10,17H,4,9H2,1-3H3,(H2,18,19,21)/f/h18-19H EAAD021499C523D5