dichlorophenarsine hydrochloride

di·chlor·o·phen·ar·sine hy·dro·chlor·ide

(dī-klōr'ō-fen-ar'sēn hī'drō-klōr'īd), (3-Amino-4-Hydroxyphenyl)dichloroarisine hydrochloride, formerly used as an arsenical antisyphilitic.