英文名称:Pyridines, Polyalkylated, Lower Boiling Fraction; Composite Alkyl Pyridines; The Complex Combination Of Polyalkylated Pyridines Derived From Coal Tar Distillation Or As High-Boiling Distillates Approximately Above 150°C (302°F) From The Reaction Of Ammonia With Acetaldehyde, Formaldehyde Or Paraformaldehyde.; Pyridines, Polyalkylated: Polyalkylated Pyridines; Paraldehyde And Ammonia Reaction Product; Mixture Of Alkyl Pyridines; Pyridine Bases; Pyridine, Alkyl Derivs.; Pyridines, Polyalkylated, Higher Boiling Fraction; Alkyl Pyridines; Pyridine, Alkyl Derivs; Pyridine Bases