InChI=1/C27H26N2O4/c1-4-33-21-11-12-22(18(3)14-21)25(30)23-24(20-9-7-17(2)8-10-20)29(27(32)26(23)31)16-19-6-5-13-28-15-19/h5-15,24,31H,4,16H2,1-3H3/p-1/t24-/m1/s1/fC27H25N2O4/h31h/q-1 62E82649C2F80F6C