InChI=1/C19H19N3O4/c1-12-17(26-16-5-3-2-4-15(16)25-12)18(23)21-13-6-8-14(9-7-13)22-11-10-20-19(22)24/h2-9,12,17H,10-11H2,1H3,(H,20,24)(H,21,23)/t12-,17-/m0/s1/f/h20-21H CBD07C8FD7B05CE0