https://doi.org/10.1351/goldbook.C01066
@A00274@ substituted at nitrogen with one or two chlorine atoms (a contracted form of N-chloroamines).
Source:
PAC, 1995, 67, 1307. (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1328 [Terms] [Paper]