InChI=1/C28H26N4O4/c33-27(23-11-17-5-1-2-6-18(17)14-30-23)32-24(12-19-15-29-22-8-4-3-7-21(19)22)28(34)31-20-9-10-25-26(13-20)36-16-35-25/h1-10,13,15,23-24,29-30H,11-12,14,16H2,(H,31,34)(H,32,33)/t23-,24-/m0/s1/f/h31-32H 1B2479F2CFF3DDBE