arsonic acid [H][As](O)(O)=O chebi_ontology InChI=1S/AsH3O3/c2-1(3)4/h1H,(H2,2,3,4) 125.94362 arsonic acid H2AsHO3 125.92981 hydridodihydroxidooxidoarsenic BUSBFZWLPXDYIC-UHFFFAOYSA-N CHEBI:29850 0 Gmelin:2037439 [AsHO(OH)2] AsH3O3 arsonic acids arsonate(1-)