Monosodium methyl arsonate2163-80-6100 % similar Disodium methyl arsonate144-21-845 % similar Disodium hydrogen arsenate7778-43-045 % similar Sodium cacodylate124-65-243 % similar Sodium arsenate heptahydrate10048-95-040 % similar Sodium cacodylate trihydrate6131-99-338 % similar Methylarsonic acid124-58-330 % similar Cacodylic acid75-60-530 % similar