InChI=1/C26H30N2O4/c1-25(2)14-19(15-26(3,4)28-25)27-23(29)16-31-20-11-9-17(10-12-20)21-13-18-7-5-6-8-22(18)32-24(21)30/h5-13,19,28H,14-16H2,1-4H3,(H,27,29)/p+1/fC26H31N2O4/h27-28H/q+1 3C35B7183D25241C