Search on: LACTONES 
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Descriptor English:   Lactones 
Descriptor Spanish:   Lactonas 
Descriptor Portuguese:   Lactonas 
Tree Number:   D02.540
Definition English:   Cyclic esters of hydroxy carboxylic acids, containing a 1-oxacycloalkan-2-one structure. Large cyclic lactones of over a dozen atoms are MACROLIDES. 
Indexing Annotation English:   pyran-2-ones: index PYRONES + LACTONES but BENZOPYRAN-2-ONES is available; for cyclic lactones over 12 atoms consider MACROLIDES
Allowable Qualifiers English:  
AD administration & dosage AE adverse effects
AG agonists AN analysis
AI antagonists & inhibitors BL blood
CF cerebrospinal fluid CS chemical synthesis
CH chemistry CL classification
EC economics HI history
IM immunology IP isolation & purification
ME metabolism PK pharmacokinetics
PD pharmacology PO poisoning
RE radiation effects ST standards
SD supply & distribution TU therapeutic use
TO toxicity UR urine
Record Number:   7960 
Unique Identifier:   D007783 

Occurrence in VHL: