InChI=1/C19H21N3O2/c1-11-5-7-17(12(2)9-11)22-18(23)8-6-15-13(3)16(10-20)19(24)21-14(15)4/h5,7,9H,6,8H2,1-4H3,(H,21,24)(H,22,23)/f/h21-22H 00E83CA27F6766F7