InChI=1/C19H22N4O3/c1-5-7-14-16-17(23(4)22-14)19(25)21-18(20-16)13-10-12(11(3)24)8-9-15(13)26-6-2/h8-10H,5-7H2,1-4H3,(H,20,21,25)/f/h21H AEF858BFCCF1C540