<chemical> Inorganic or organic compounds that contain arsenic. ... Pharmacological action: sulfhydryl reagents. ... (12 Dec 1998) ... Found on http://www.encyclo.co.uk/local/20973
A class of inorganic insecticides containing various forms of arsenic as the basic ingredient. The arsenates are more stable than the arsenites, and considered safer for use on plants. Found on http://www.encyclo.co.uk/visitor-contributions.php