A group of alkylating agents derived from mustard gas, with the sulfur replaced by nitrogen. They were formerly used as toxicants and vesicants, but now function as antineoplastic agents. These compounds are also powerful mutagens, teratogens, immunosuppressants, and carcinogens.

Synonyms: 0, Compounds, Nitrogen Mustard, Nitrogen Mustard Compounds, Mustard Compounds, Nitrogen