InChI=1/C32H36N4O4/c1-32(2,33)31(39)36-28(19-24-20-34-26-16-10-9-15-25(24)26)29(37)35-27(18-17-22-11-5-3-6-12-22)30(38)40-21-23-13-7-4-8-14-23/h3-16,20,27-28,34H,17-19,21,33H2,1-2H3,(H,35,37)(H,36,39)/t27-,28+/m0/s1/f/h35-36H 2A865DBDA3A240A8