Hypothetical compounds having the structure
RC(NH2)3, and
N-substituted derivatives thereof.
(R2N)4C are generically included, but such use is obsolescent.
Source:
PAC, 1995, 67, 1307. 'Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)' on page 1354 (https://doi.org/10.1351/pac199567081307)