InChI=1/C27H28N4O4/c1-17-15-19(21-7-4-5-8-22(21)28-17)16-35-20-12-10-18(11-13-20)24(32)29-23-9-3-2-6-14-27(23)25(33)30-26(34)31-27/h4-5,7-8,10-13,15,23H,2-3,6,9,14,16H2,1H3,(H,29,32)(H2,30,31,33,34)/t23-,27-/m1/s1/f/h29-31H 63A0DEC42393A3E9