InChI=1/C26H28N4O2/c1-3-29(4-2)25(31)18-13-21-20-11-8-12-22-24(20)17(15-27-22)14-23(21)30(16-18)26(32)28-19-9-6-5-7-10-19/h5-13,15,18,23,27H,3-4,14,16H2,1-2H3,(H,28,32)/t18-,23-/m1/s1/f/h28H 16715EE2BC7F81DA