InChI=1/C27H28N4O4/c1-17-15-18(21-7-4-5-9-23(21)28-17)16-35-20-12-10-19(11-13-20)29-24(32)22-8-3-2-6-14-27(22)25(33)30-26(34)31-27/h4-5,7,9-13,15,22H,2-3,6,8,14,16H2,1H3,(H,29,32)(H2,30,31,33,34)/t22-,27-/m1/s1/f/h29-31H 70D65B53A48E4216