InChI=1/C27H28N4O4/c1-33-20-14-19(15-21(16-20)34-2)26(32)31-27(30-24-10-6-7-11-25(24)35-3)28-13-12-18-17-29-23-9-5-4-8-22(18)23/h4-11,14-16H,12-13,17H2,1-3H3,(H2,28,30,31,32)/p+1/fC27H29N4O4/h28-30H/q+1 ECE779CD8B6A3AE7