InChI=1/C31H30N2O4/c1-19(2)20-8-10-21(11-9-20)28-27(29(34)22-12-14-24(37-3)15-13-22)30(35)31(36)33(28)17-16-23-18-32-26-7-5-4-6-25(23)26/h4-15,19,28,35H,16-18H2,1-3H3/t28-/m0/s1/f/h35h,32H 31C253713A03FF54