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Promazine Sulfoxide is a metabolite of Chlorpromazine (C424750) and an impurity of Promazine (P756300). Both Chlorpromazine and Promazine are antipsychotic drugs.

ChEBI: Promazine sulfoxide is a member of the class of phenothiazines that is promazine carrying an oxo group at position 5. It is a metabolite of the anti-psychotic medication, chlorpromazine. It has a role as a drug metabolite. It is a member of phenothiazines, a sulfoxide and a tertiary amino compound. It is functionally related to a promazine.