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| cyanogen |
a poisonous organic gas of carbon and nitrogen that is used for chemical warfare, as a rocket propellant, and in organic synthesis. |
| lewisite |
a highly toxic, odorless compound that causes severe blistering, used in chemical warfare. |
| yellow rain |
a highly toxic yellowish powder found in Southeast Asia between 1975 and 1985, thought by some to be a chemical warfare agent dropped by airplanes. |
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