urethanes (urethans)

https://doi.org/10.1351/goldbook.U06578
An alternative term for the compounds R2NC(=O)OR' (R'H), @E02219@ of carbamic acids, R2NC(=O)OH, in strict use limited to the ethyl @E02219@, but widely used in the general sense, e.g. 'polyurethane resins'.
See:
carbamates
,
esters
Source:
PAC, 1995, 67, 1307. (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1373 [Terms] [Paper]