InChI=1/C18H14N4O2/c1-9-14-16(12(8-19)17(20)24-18(14)22-21-9)15-11-5-3-2-4-10(11)6-7-13(15)23/h2-7,16,18,23H,20H2,1H3/t16-,18+/m1/s1 9113DA628AA7F0C0