InChI=1/C18H24N4O3/c23-16-7-3-4-12-22(16)15-10-8-13(9-11-15)17(24)20-21-18(25)19-14-5-1-2-6-14/h8-11,14H,1-7,12H2,(H,20,24)(H2,19,21,25)/f/h19-21H 126A54A9E1B9E700