InChI=1/C19H19N3O3/c1-11-13(10-20)17(12-6-4-5-7-15(12)22(24)25)18-14(21-11)8-19(2,3)9-16(18)23/h4-7,13,17-18H,1,8-9H2,2-3H3/t13-,17-,18-/m0/s1 D181212F370B15E0