InChI=1/C17H23N3O3/c1-16(2,3)11-5-7-12(8-6-11)17(4)14(22)20(15(23)19-17)10-9-13(18)21/h5-8H,9-10H2,1-4H3,(H2,18,21)(H,19,23)/t17-/m0/s1/f/h19H,18H2 B35D004CC6EAC16E