Compounds having the structure RSH (R ≠ H), e.g. MeCH2SH ethanethiol. Also known by the term @M03831@ (abandoned by IUPAC).
Source: PAC, 1995, 67, 1307. (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1372 [Terms] [Paper]