$\ce{H3N^{.+}}$ and its
hydrocarbyl derivatives, e.g. $\ce{(CH3)3N^{.+}}$ trimethylammoniumyl, $\ce{PhN^{.+}H2}$ phenylammoniumyl or benzenaminiumyl.
Source: PAC, 1995,
67, 1307. (
Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1317 [
Terms] [
Paper]
See also: PAC, 1993,
65, 1357. (
Revised nomenclature for radicals, ions, radical ions and related species (IUPAC Recommendations 1993)) on page 1357 [
Terms] [
Paper]