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levonorgestrel-4 beta,5 beta-epoxide MeSH Supplementary Concept Data 2024


MeSH Supplementary
levonorgestrel-4 beta,5 beta-epoxide
Unique ID
C029212
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/C029212
Entry Term(s)
LN-4,5-oxide
levonorgestrel-4 beta,5 beta-epoxide, (4alpha,5alpha,17alpha)-(+-)-isomer
levonorgestrel-4 beta,5 beta-epoxide, (4alpha,5alpha,17alpha)-isomer
levonorgestrel-4 beta,5 beta-epoxide, (4beta,5beta,17alpha)-(+-)-isomer
levonorgestrel-4 beta,5-oxide
Registry Number
51267-67-5
Related Numbers
51267-65-3
51267-66-4
51267-68-6
CAS Type 1 Name
18,19-dinorpregn-20-yn-3-one, 4,5-epoxy-13-ethyl-17-hydroxy-, (4 beta,5 beta,17 alpha)-
Previous Indexing
NORGESTREL/*analogs
Heading Mapped to
Levonorgestrel / *analogs & derivatives
Frequency
1
Note
RN given refers to (4 beta,5 beta,17 alpha)-isomer; norgestrel-4 beta,5 beta-epoxide refers to (4 beta,5 beta,17 alpha)-(+-)-isomer
Source
J Steroid Biochem 1981;14(1):83
Date of Entry
1981/04/29
Revision Date
2000/12/18
levonorgestrel-4 beta,5 beta-epoxide Preferred
levonorgestrel-4 beta,5 beta-epoxide, (4alpha,5alpha,17alpha)-isomer Narrower
levonorgestrel-4 beta,5 beta-epoxide, (4beta,5beta,17alpha)-(+-)-isomer Narrower
levonorgestrel-4 beta,5 beta-epoxide, (4alpha,5alpha,17alpha)-(+-)-isomer Narrower
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