InChI=1/C21H18N4O2/c22-12-16(20-23-17-9-3-2-8-15(17)21(27)24-20)19(26)13-25-11-5-7-14-6-1-4-10-18(14)25/h1-4,6,8-10,16H,5,7,11,13H2,(H,23,24,27)/t16-/m0/s1/f/h23H 212D198413A42D77