Synonyms1-(4-(4-(tert-butyl)phenyl)-4-hydroxybutyl)-4-(hydroxydiphenylmethyl)piperidine 1-oxide; Terfenadine N-Oxide Close 1-(4-(4-(tert-butyl)phenyl)-4-hydroxybutyl)-4-(hydroxydiphenylmethyl)piperidine 1-oxide; Terfenadine N-Oxide Related products Terfenadine M.F. M.W. 471.69 CAT# AR-T01638 CAS# 50679-08-8 Terfenadine EP Impurity C M.F. M.W. 487.69 CAT# AR-T01639 CAS# 634901-83-0 Terfenadine EP Impurity D M.F. M.W. 453.67 CAT# AR-T01640 CAS# 93052-68-7 Terfenadine EP Impuity F M.F. M.W. 435.66 CAT# AR-T01641 CAS# NA