InChI=1/C21H21N5O2/c27-20(21(28)25-19(13-5-6-13)14-7-8-14)24-15-9-10-18(22-11-15)26-12-23-16-3-1-2-4-17(16)26/h1-4,9-14,19H,5-8H2,(H,24,27)(H,25,28)/f/h24-25H FCD4296CCDE3967E