InChI=1/C24H26N4O5/c1-32-23(30)21(12-17-8-4-2-5-9-17)27-22(29)20(13-19-14-25-16-26-19)28-24(31)33-15-18-10-6-3-7-11-18/h2-11,14,16,20-21H,12-13,15H2,1H3,(H,25,26)(H,27,29)(H,28,31)/t20-,21+/m0/s1/f/h25,27-28H A987918B5D4A22FC