title: Enantiomeric resolution of an optically active guanine derivative by high-performance liquid chromatography with phenylalanine-Cu(II) in the mobile phase.
mesh_terms: D000212:Acyclovir / Q000031:analogs & derivatives* / Q000032:analysis; D002851:Chromatography, High Pressure Liquid / Q000379:methods; D003300:Copper; D006147:Guanine / Q000032:analysis*; D010649:Phenylalanine; D013056:Spectrophotometry, Ultraviolet; D013237:Stereoisomerism
chemical_list: D010649:Phenylalanine; C037591:buciclovir; D006147:Guanine; D003300:Copper; D000212:Acyclovir