InChI=1/C18H23N3O2/c19-10-14-7-8-17(20-11-14)23-13-15-9-18(22)21(12-15)16-5-3-1-2-4-6-16/h7-8,11,15-16H,1-6,9,12-13H2/t15-/m0/s1 0E3B8662E87312E9