InChI: | InChI=1/C31H34N4O4/c1-16-10-20-13-25-18(3)21(6-8-29(36)37)26(34-25)14-27-22(7-9-30(38)39)31(4,5)28(35-27)15-24-17(2)11-19(33-24)12-23(16)32-20/h10-15,22,32-33H,6-9H2,1-5H3,(H,36,37)(H,38,39)/b19-12-,20-13-,23-12-,24-15-,25-13-,26-14-,27-14-,28-15-/t22-/m1/s1 |