arsine
arsine
Arsane (AsH<small><sub>3</sub></small>) and compounds derived from it by substituting one, two or three hydrogen atoms by hydrocarbyl groups: RAsH<small><sub>2</sub></small>, R<small><sub>2</sub></small>AsH, R<small><sub>3</sub></small>As (R ≠ H) are called primary, secondary and tertiary arsines, respectively. A specific arsine is preferably named as a substituted arsane.