InChI=1/C20H19N5O3/c21-18(26)11-14-5-1-3-7-16(14)24-20(28)19(27)23-12-15-6-2-4-8-17(15)25-10-9-22-13-25/h1-10,13H,11-12H2,(H2,21,26)(H,23,27)(H,24,28)/f/h23-24H,21H2 14614770A3E90E78