InChI=1/C19H19N5O2/c1-2-26-17-7-6-14(12-20)11-16(17)23-19(25)21-9-8-15-13-24-10-4-3-5-18(24)22-15/h3-7,10-11,13H,2,8-9H2,1H3,(H2,21,23,25)/f/h21,23H FE665F253A11743B