Betahistine EP Impurity A (2-Vinylpyridine)

Chemical Name: 2-Vinylpyridine (stabilized with 0.1% 4-tert-butylcatechol); 2-Ethenylpyridine; 2-Pyridylethylene; NSC 18255; α-Vinylpyridine; Betahistine Impurity A;