InChI=1/C18H23N3O2/c1-13-6-8-14(9-7-13)18-20-19-17(23-18)12-21-10-11-22-16-5-3-2-4-15(16)21/h6-9,15-16H,2-5,10-12H2,1H3/t15-,16-/m0/s1 016D910ED87D0050