2-Amino-4-arsenosophenol hydrochloride 3-Amino-4-hydroxy-phenarsine hydrochloride 3-Amino-4-hydroxyphenyl arsinoxide hydrochloride 3-Amino-4-hydroxyphenylarsine oxide hydrochloride 306-12-7 538-03-4 AI3-04455 Arseno 39 Arsenosan Arsenoxide Arsphenoxide EINECS 208-682-3 Ehrlich 5 Fontarsan Mapharsal Mapharsen Mapharside Metarsen NSC 3087 OXOPHENARSINE HYDROCHLORIDE Oxiarsolan Oxophenarsini hydrochloridum Phenol, 2-amino-4-arsenoso-, hydrochloride Phenol, 2-amino-4-arsenoso-, monohydrochloride (9CI) Treparsen