InChI=1/C27H28N4/c1-20-3-5-21(6-4-20)22-7-12-26-25(19-22)27(13-14-28-26)29-23-8-10-24(11-9-23)31-17-15-30(2)16-18-31/h3-14,19H,15-18H2,1-2H3,(H,28,29)/p+2/fC27H30N4/h28-30H/q+2 61037E55AC88BDE0