for the following products
2-Chloromethyl-3-methyl-4-(3-methoxypropoxy)pyridine hydrochloride | 2-Chloromethyl-3-methyl-4-methoxypropoxypyridine hydrochloride | Rabeprazole 2-Chloromethyl Impurity and 2-(Chloromethyl)-4-(3-methoxypropoxy)-3-methylpyridine hydrochloride