InChI=1/C26H30N2O3/c1-18-6-3-4-7-20(18)16-27-17-21-15-22(28-13-5-12-26(21,28)25(27)30)10-8-19-9-11-23(29)24(14-19)31-2/h3-4,6-11,14,21-22,29H,5,12-13,15-17H2,1-2H3/p+1/b10-8+/t21-,22-,26-/m1/s1/fC26H31N2O3/h28H/q+1 1991D5DB065927C3