InChI=1/C18H23N3O3/c1-11-10-15(21-24-11)20-17(23)16(22)19-12(2)13-6-8-14(9-7-13)18(3,4)5/h6-10,12H,1-5H3,(H,19,22)(H,20,21,23)/t12-/m0/s1/f/h19-20H FE5F2B1EAB58DA3C