InChI=1/C31H32N2O4/c1-5-6-7-8-15-36-23-11-9-22(10-12-23)28-27-29(34)24-17-20(3)21(4)18-25(24)37-30(27)31(35)33(28)26-16-19(2)13-14-32-26/h9-14,16-18,28H,5-8,15H2,1-4H3/t28-/m1/s1 9B1CB027C805B60C