InChI=1/C27H36N4O4/c1-19(2)29-27(34)28-17-21-11-13-23(14-12-21)26(33)35-18-24(32)30-20(3)25(31-15-7-8-16-31)22-9-5-4-6-10-22/h4-6,9-14,19-20,25H,7-8,15-18H2,1-3H3,(H,30,32)(H2,28,29,34)/p+1/t20-,25-/m1/s1/fC27H37N4O4/h28-31H/q+1 E51BDD0F0B9DD56B