InChI=1/C28H26N4O2/c1-2-10-23-15-9-16-24(28(23)34)19-30-31-25(33)17-18-32-20-29-26(21-11-5-3-6-12-21)27(32)22-13-7-4-8-14-22/h2-9,11-16,19-20,34H,1,10,17-18H2,(H,31,33)/b30-19+/f/h31H 6F86C952F2C19837