InChI=1/C28H36N4O4/c1-19(2)13-14-20(3)30-22-16-23-25(31-24(33)18-35-4)26(28(34)36-5)32(27(23)29-17-22)15-9-12-21-10-7-6-8-11-21/h6-8,10-11,16-17,20,30H,1,9,12-15,18H2,2-5H3,(H,31,33)/t20-/m1/s1/f/h31H 753DCE0F1F0B1792