InChI=1/C26H28N2O4/c1-17-22(25(30)32-14-13-31-19-7-5-4-6-8-19)23(18-9-11-27-12-10-18)24-20(28-17)15-26(2,3)16-21(24)29/h4-12,22-24H,1,13-16H2,2-3H3/t22-,23+,24+/m0/s1 2BE1252519658B77