InChI=1/C16H10N6O2/c17-7-12-15(20)22(21-8-11-3-1-5-23-11)14(13-4-2-6-24-13)16(12,9-18)10-19/h1-6,8,14H,20H2/b21-8+/t14-/m0/s1 6A93F9D690F1F30E