title: New compounds: resolution of d,l- -benzamido-4-hydroxy-3-methoxydihydrocinnamic acid, a precursor of l-3,4-dihydroxyphenylalanine.
mesh_terms: D000978:Antiparkinson Agents / Q000138:chemical synthesis; D055598:Chemical Phenomena; D002621:Chemistry; D002934:Cinnamates; D004295:Dihydroxyphenylalanine / Q000138:chemical synthesis; D007259:Infrared Rays; D013057:Spectrum Analysis
chemical_list: D000978:Antiparkinson Agents; D002934:Cinnamates; D004295:Dihydroxyphenylalanine