InChI=1/C23H22N4O2/c24-22-21-18(13-27(23(21)26-14-25-22)19-7-4-8-20(19)28)15-9-11-17(12-10-15)29-16-5-2-1-3-6-16/h1-3,5-6,9-14,19-20,28H,4,7-8H2,(H2,24,25,26)/t19-,20+/m0/s1/f/h24H2 433AEEED2DB91656