InChI=1/C19H17N3O5/c1-13-11-18(21(2)20-13)19(23)10-9-16-7-8-17(27-16)12-26-15-5-3-14(4-6-15)22(24)25/h3-11H,12H2,1-2H3/b10-9+ 8E38FB88953FD0AC