InChI=1/C30H30N2O4/c1-19-9-5-11-23(17-19)35-21(3)29(33)31-27-15-7-14-26-25(27)13-8-16-28(26)32-30(34)22(4)36-24-12-6-10-20(2)18-24/h5-18,21-22H,1-4H3,(H,31,33)(H,32,34)/t21-,22-/m1/s1/f/h31-32H 9B2A10020CE7793E