Arsonic acid,(3-amino-4-hydroxyphenyl), 2-Amino-phenol-arsonsaeure-(4); EINECS 218-494-3; 2-Amino-1-oxy-benzol-arsonsaeure-(4); 2-Aminophenol-4-arsonsaeure; (3-Amino-4-hydroxy-phenyl)-arsonsaeure; Arsonic acid, (3-amino-4-hydroxyphenyl)-; 3-Amino-4-hydroxyphenylarsonic acid; 3-Amino-4-hydroxybenzenearsonic acid; m-ARSANILIC ACID,4-HYDROXY; 4-Hydroxy-3-arsanilic acid;, Benzenearsonic acid,3-amino-4-hydroxy