InChI=1/C27H30N4O4/c1-4-31(17-25(32)28-21-11-8-12-22(16-21)35-3)18-26(33)30-24-14-6-5-13-23(24)27(34)29-20-10-7-9-19(2)15-20/h5-16H,4,17-18H2,1-3H3,(H,28,32)(H,29,34)(H,30,33)/p+1/fC27H31N4O4/h28-31H/q+1 E9691F715B663D34