??????? ??????????? ?????????? ?????????????? ?????? ?????????? ????????? ????????.??????? ???? ?? ????? ??????? ?? ????? ??? ????? ?????? ?? ???????Promethazine is metabolized because of the liver to various compounds; the sulfoxides of promethazine and N-demethylpromethazine tend to be the predominant metabolites showing during the urine.Explain