InChI=1/C19H23N3O2/c1-13-7-9-22(10-8-13)17-5-3-16(4-6-17)21-19(24)18-11-15(12-20-18)14(2)23/h3-6,11-13,20H,7-10H2,1-2H3,(H,21,24)/f/h21H 55BF6DD37FEEDF46