InChI=1/C26H28N2O4/c1-6-13-31-19-9-7-18(8-10-19)23-22-24(29)20-14-16(2)17(3)15-21(20)32-25(22)26(30)28(23)12-11-27(4)5/h6-10,14-15,23H,1,11-13H2,2-5H3/p+1/t23-/m1/s1/fC26H29N2O4/h27H/q+1 F0E8F3B396B0DE9E