InChI=1/C18H22N2O/c1-2-4-15(5-3-1)12-16-6-8-18(9-7-16)21-14-17-13-19-10-11-20-17/h1-9,17,19-20H,10-14H2/p+1/t17-/m1/s1/fC18H23N2O/h20H/q+1 937FCFAA32D9D3AA