Refers to sulfido @L03518@, e.g., the @B00741@ @L03518@ in @IT06780@ @P04898@, which are released as
H2S at acid pH.
Source: PAC, 1997,
69, 1251. (
Glossary of terms used in bioinorganic chemistry (IUPAC Recommendations 1997)) on page 1254 [
Terms] [
Paper]