InChI=1/C20H22N4O2/c1-15-22-18-4-2-3-5-19(18)24(15)13-12-21-14-17-8-6-16(7-9-17)10-11-20(25)23-26/h2-11,21,26H,12-14H2,1H3,(H,23,25)/p+1/b11-10+/fC20H23N4O2/h21,23H/q+1 8DCF584098CB940C