InChI=1/C28H32N4O4/c1-18-15-20(23-5-2-3-7-25(23)29-18)17-36-22-12-10-21(11-13-22)30-28(34)26-24(27(33)31-35)6-4-14-32(26)16-19-8-9-19/h2-3,5,7,10-13,15,19,24,26,35H,4,6,8-9,14,16-17H2,1H3,(H,30,34)(H,31,33)/p+1/t24-,26-/m0/s1/fC28H33N4O4/h30-32H/q+1 0F011411E3B3C900