Descriptors Found: 1
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Descriptor English:   Norpregnenes 
Descriptor Spanish:   Norpregnenos 
Descriptor Portuguese:   Norpregnenos 
Tree Number:   D04.210.500.668.651.693
Definition English:   Pregnenes with one double bond or more than three double bonds which have undergone ring contractions or are lacking carbon-18 or carbon-19.. 
Indexing Annotation English:   do not confuse with NORPREGNANES
History Note English:   75; was see under NORPREGNANES 1974 
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:   9839 
Unique Identifier:   D009652 

Occurrence in VHL: