InChI=1/C22H24N4O2/c1-3-18(21-23-14-19(25-21)15-9-6-5-7-10-15)26-22(28)16-11-8-12-17(13-16)24-20(27)4-2/h5-14,18H,3-4H2,1-2H3,(H,23,25)(H,24,27)(H,26,28)/t18-/m0/s1/f/h23-24,26H 7D6912F2BA0FDDAB