InChI=1/C21H24N4O3/c1-15(26)23-19-9-5-8-17-13-25(11-10-18(17)19)14-20(27)24-21(28)22-12-16-6-3-2-4-7-16/h2-9H,10-14H2,1H3,(H,23,26)(H2,22,24,27,28)/f/h22-24H 47A500F7327D6EFD