InChI=1/C19H21N3O3/c1-11(2)22-16-8-7-14(10-17(16)25-19(22)24)20-18(23)21-15-9-12(3)5-6-13(15)4/h5-11H,1-4H3,(H2,20,21,23)/f/h20-21H 364304D2059C16E6