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小鼠吸入三氟亚硝基甲烷（ＣＦ３ＮＯ）的ＬＣ５０为０．１８～０．３２ｍｇ／Ｌ。死亡动物肺充血、出血甚至肺部呈红肝样变；气管、支气管和肺内有较多淡红色泡沫液体。部分动物有间质性心肌炎改变。
In mice inhaled trifluoronitrosomethane (CF3NO) LC50 0.18 ~ 0.32mg / L. Dead animal lung congestion, hemorrhage or even lung lesions of the liver; bronchial, bronchial and lungs have more light red foam liquid. Some animals have interstitial myocarditis changes.