a procedure for resolving the racemate of n-desmethylnomifensine ( 1,2,3,4-tetrahydro-4-phenyl-8-isoquinoline ) into its enantiomers using triacetylcellulose as the stationary phase and methanol/ethanol as solvents by use of lc is also described .
C0001963
methanol
C0001962
ethanol