The chemical WIN 64338 hydrochloride has a designated molecular formula of C45H69Cl2N4OP and a molecular weight of 783.948 g/mol. Synonyms may include: Win 64338, ((4-((2-((Bis(cyclohexylamino)methylene)amino)-3-(2-naphthyl)-1-oxopropyl)amino)phenyl)methyl)tributylphosphonium chloride monohydrochloride, Win-64338 (ChemID).