How to remove pyridine substances in the product?

Add 1 mol / L hydrochloric acid to remove pyridine compounds

As long as your product is not afraid that the acid is not soluble in the water, try to increase the amount of acid, it is Wash a few times, it is OK

It can be completely, tune pH with hydrochloride, then dissolve in water, separating the target product can be

Sorry, the content editing is wrong: the product is separated after the end, and the product generated by-product pyridine substance and product polarity are basically consistent. I want to transfer pyridine into a salt to transfer to the water layer. Do you feel suitable? ITrying thin hydrochloric acid can't do, do you have any good ideas?Thank you!