InChI=1/C18H21N3O/c1-3-5-12-15(22)8-9-18(4-2)10-13-11(16(12)18)6-7-14-17(13)20-21-19-14/h6-7H,3-5,8-10H2,1-2H3,(H,19,20,21)/t18-/m0/s1/f/h20H F30E745BA2E87760