adamsite /ˈædəmˌzaɪt/

• 1. 

  N a yellow poisonous crystalline solid that readily sublimes; diphenylaminechlorarsine. It is used in chemical warfare as a vomiting agent. Formula: C6H4AsClNHC6H4; relative density: 1.65; melting pt: 195°C; boiling pt: 410°C 二苯胺氯胂 (Also called phenarsazine chloride)