Any compound derived from a named steroid by removing elements of a side chain or ring

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  • Norsteroid — Norsteroids are a derivative of a steroid that have elements removed from a side chain or ring.[1] Examples include: Norpregnene (based upon a pregnene) desogestrel ethylestrenol ethynodiol diacetate ethinyl estradiol gestrinone levonorgestrel… …   Wikipedia

  • norsteroid — …   Useful english dictionary

  • Nor- — In chemical nomenclature, nor is a prefix to name a structural analog that can be derived from a parent compound by the removal of one carbon atom along with the accompanying hydrogen. The nor compound can be derived by demethylation or by… …   Wikipedia

  • Pregnane — IUPAC name (8S,9S,10S,13R,14S,17S) 17 ethyl 10,13 dimethyl 2,3,4,5,6,7,8,9,11,12, 14,15,1 …   Wikipedia

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