InChI=1/C28H32N4O4/c33-25(20-30-27(34)24-12-7-19-36-24)32(18-15-21-8-3-1-4-9-21)26(22-13-16-29-17-14-22)28(35)31-23-10-5-2-6-11-23/h1,3-4,7-9,12-14,16-17,19,23,26H,2,5-6,10-11,15,18,20H2,(H,30,34)(H,31,35)/t26-/m0/s1/f/h30-31H BBE4CA2351972538