nitrochloroform
  硝基氯仿; 氯化苦
  ni·tro·chlo·ro·form /-ˈklorəˌfɔrm, ˈklɔr-/ 名詞
  nitrochloroform
       n : a heavy colorless insoluble liquid compound that causes
           tears and vomiting; used as a pesticide and as tear gas
           [syn: chloropicrin]