InChI=1/C21H22N2O2/c1-13-8-9-17-11-18(21(25)22-19(17)10-13)12-23(16(4)24)20-7-5-6-14(2)15(20)3/h5-11,18H,12H2,1-4H3/p+1/t18-/m1/s1/fC21H23N2O2/h22H/q+1 ADE1059E89E3FBC0