InChI=1/C19H19N3O5/c1-14(2)20(13-15-7-10-17(11-8-15)21(24)25)19(23)12-9-16-5-3-4-6-18(16)22(26)27/h3-12,14H,13H2,1-2H3/b12-9+ 84D1A327CF267D7C