bismuthanes

https://doi.org/10.1351/goldbook.B00674
The saturated hydrides of tervalent bismuth, having the general formula BinHn+2 . Hydrocarbyl derivatives of BiH3 belong to the class bismuthines.
Source:
PAC, 1995, 67, 1307. 'Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)' on page 1322 (https://doi.org/10.1351/pac199567081307)