Preferred Label : norethindrone-4 beta,5 beta-epoxide;
MeSH note : RN given refers to (4 beta,5 beta,17 alpha)-isomer; structure;
CISMeF synonym : norethisterone 4 beta,5-oxide;
MeSH synonym : norethisterone-4 beta,5 beta-epoxide;
MeSH CAS label : (4 beta,5 beta,17 alpha)-4,5-epoxy-17-hydroxy-19-nor pregn-20-yn-3-one;
MeSH Related Number : norethindrone-4 beta,5 beta-epoxide, (4alpha,5alpha)-isomer; norethindrone-4 beta,5 beta-epoxide, (17alpha)-isomer; 51086-64-7 ((17alpha)-isomer); 51267-64-2 ((4alpha,5alpha)-isomer);
Registry Number MeSH : 51267-63-1;
Related CAS MeSH : 51267-64-2 (norethindrone-4 beta,5 beta-epoxide, (4alpha,5alpha)-isomer); 51086-64-7 (norethindrone-4 beta,5 beta-epoxide, (17alpha)-isomer);
related registry number list (CISMeF) : 51086-64-7 ((17alpha)-isomer); 51267-64-2 ((4alpha,5alpha)-isomer);
Is substance : O;
Origin ID : C022959;
UMLS CUI : C0068982;
MeSH term(s) associated for indexing
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