1-Methyl-4-piperidyl benzhydryl ether hydrochloride 1-Methylpiperidyl-4-benzhydrylether hydrochloride 132-18-3 147-20-6 4-(Diphenylmethoxy)-1-methylpiperidine hydrochloride Allerzine Belfene hydrochloride Diafen Diafen (VAN) Diafen (antihistamine) Diafen hydrochloride Diaphen Diaphen (VAN) Diphenpyraline hydrochloride Diphenylpyraline hydrochloride Diphenylpyraline hydrochloride [JAN] EINECS 205-049-3 Hispril hydrochloride Histalert Lergoban NSC 61825 P 253 Piperidine, 4-(diphenylmethoxy)-1-methyl-, hydrochloride Sumadil