2-AMINO-4-ARSENOSOPHENOL MONOHYDROCHLORIDE 2-Amino-4-arsenosophenol hydrochloride 3-Amino-4-hydroxy-phenarsine hydrochloride 3-Amino-4-hydroxyphenyl arsinoxide hydrochloride 3-Amino-4-hydroxyphenylarsine oxide hydrochloride 538-03-4 Arseno 39 Arsenosan Arsenoxide Arsphenoxide Ehrlich 5 Fontarsan Mapharsal Mapharsen Mapharside Metarsen NSC3087 Oxiarsolan Oxophenarsine hydrochloride Phenol, 2-amino-4-arsenoso-, hydrochloride Phenol, 2-amino-4-arsenoso-, monohydrochloride Treparsen WLN: ZR BQ E-AS-O &GH