The chemical Mequitazine has a known molecular formula of C20-H22-N2-S. Synonyms may include: BRN 1150945, EINECS 249-521-7, Instotal, LM-209, Mequitazina [INN-Spanish], Mequitazina [Spanish], Mequitazinum [INN-Latin], Metaplexan, Mircol, NSC 303612, Primalan, 10-(3-Quinuclidinylmethyl)phenothiazine (ChemID). Mequitazine has been assigned a MeSH pharmacological action of: Histamine H1 Antagonist.