InChI=1/C18H16N4O4/c1-11-15(17(23)20-13-7-3-2-4-8-13)16(21-18(24)19-11)12-6-5-9-14(10-12)22(25)26/h2-10,16H,1H3,(H,20,23)(H2,19,21,24)/t16-/m0/s1/f/h19-21H	617F860D67FFD4E9