InChI=1/C21H29N3O2/c1-7-16-8-10-17(11-9-16)18(24(5)6)12-22-21(26)20-13(2)19(15(4)25)14(3)23-20/h8-11,18,23H,7,12H2,1-6H3,(H,22,26)/t18-/m1/s1/f/h22H 57ED5940769586F7