InChI=1S/C31H42N4O4/c1-20(32-5)28(36)34-27(31(2,3)4)30(38)35-19-23(39-22-14-7-6-8-15-22)18-26(35)29(37)33-25-17-11-13-21-12-9-10-16-24(21)25/h6-10,12,14-16,20,23,25-27,32H,11,13,17-19H2,1-5H3,(H,33,37)(H,34,36)/t20-,23-,25+,26-,27+/m0/s1