InChI=1/C21H22N2O3/c1-5-26-21(25)18-13(2)19(22-14(18)3)20(24)15(4)23-11-10-16-8-6-7-9-17(16)12-23/h6-12,15H,5H2,1-4H3/p+1/t15-/m1/s1/fC21H23N2O3/h22H/q+1 E550C2133FD9AD75