MeSH Browser

MeSH Heading: Pyrazines
Tree Number(s): D03.383.679
Unique ID: D011719
RDF Unique Identifier: http://id.nlm.nih.gov/mesh/D011719
Annotation: do not confuse with PYRIDAZINES
Scope Note: A heterocyclic aromatic organic compound with the chemical formula C4H4N2.
Entry Term(s): Pyrazine
Date Established: 1966/01/01
Date of Entry: 1999/01/01
Revision Date: 2021/06/30

Allowable Qualifiers: administration & dosage (AD)

adverse effects (AE)

agonists (AG)

analysis (AN)

antagonists & inhibitors (AI)

blood (BL)

cerebrospinal fluid (CF)

chemical synthesis (CS)

chemistry (CH)

classification (CL)

economics (EC)

history (HI)

immunology (IM)

isolation & purification (IP)

metabolism (ME)

pharmacokinetics (PK)

pharmacology (PD)

poisoning (PO)

radiation effects (RE)

standards (ST)

supply & distribution (SD)

therapeutic use (TU)

toxicity (TO)

urine (UR)

Pyrazines MeSH Descriptor Data 2025