Naturally occurring steroids are estrogen, cortisol, progesterone, and testosterone. Pharmacologically, they are used in several ways: alter steroid metabolism via statins to help lower cholesterol; as corticosteroids to help control inflammation, asthma, and lupus; and other forms to help hormone deficiency, such as delayed puberty, as well as diseases that result in loss of lean muscle mass, such as cancer and AIDS.
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![(8S,9S,10R,11R,13S,14S)-11-hydroxy-10,13-dimethyl-7,8,9,10,11,12,13,14,15,16-decahydro-1H-cyclopenta[a]phenanthrene-3,17(2H,6H)-dione](https://images.chemenu.com/attachments/products_new/svg/564-33-0.svg)
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![2-((8S,9S,10R,13S,14S,17S)-3-hydroxy-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl acetate](https://images.chemenu.com/attachments/products_new/svg/566-78-9.svg)
![(8S,9R,10S,11S,13S,14S,16R,17R)-9-chloro-17-(2-chloroacetyl)-11-hydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl furan-2-carboxylate hydrate](https://images.chemenu.com/attachments/products_new/svg/141646-00-6.svg)
![(3S,8R,9S,10R,13S,14S)-10,13-dimethyl-17-(((trifluoromethyl)sulfonyl)oxy)-2,3,4,7,8,9,10,11,12,13,14,15-dodecahydro-1H-cyclopenta[a]phenanthren-3-yl acetate](https://images.chemenu.com/attachments/products_new/svg/115375-60-5.svg)
![(8R,9S,10R,13S,14S)-10,13-dimethyl-7,8,9,10,11,12,13,14,15,16-decahydro-1H-cyclopenta[a]phenanthrene-3,6,17(2H)-trione](https://images.chemenu.com/attachments/products_new/svg/2243-06-3.svg)
![(7R,8R,9S,13S,14S,17S)-7-(9-bromononyl)-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,17-diol](https://images.chemenu.com/attachments/products_new/svg/875573-67-4.svg)
![cyclohexylmethyl ((8S,13S,14S,17S)-13-methyl-3-oxo-2,3,6,7,8,13,14,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-17-yl) carbonate](https://images.chemenu.com/attachments/products_new/svg/23454-33-3.svg)
![methyl (R)-4-((3R,5S,8R,9S,10S,12S,13R,14S,17R)-3,12-dihydroxy-10,13-dimethyl-7-oxohexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoate](https://images.chemenu.com/attachments/products_new/svg/10538-65-5.svg)
![(3S,8R,9S,10R,13S,14S,17R)-10,13,17-trimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,17-diyl dipropionate](https://images.chemenu.com/attachments/products_new/svg/3593-85-9.svg)
![(7R,8R,9S,13S,14S,17S)-7-(9-bromononyl)-3-hydroxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-yl acetate](https://images.chemenu.com/attachments/products_new/svg/875573-66-3.svg)
![(6S,8S,9R,10S,11S,13S,14S,16R,17S)-6,9-difluoro-11,17-dihydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthrene-17-carboxylic acid](https://images.chemenu.com/attachments/products_new/svg/28416-82-2.svg)
![1-((8R,9S,10R,13S,14S,17R)-3,17-dihydroxy-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)ethan-1-one](https://images.chemenu.com/attachments/products_new/svg/387-79-1.svg)
![2-oxo-2-((8S,9S,10R,11S,13S,14S,16R,17S)-11,16,17-trihydroxy-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)ethyl acetate](https://images.chemenu.com/attachments/products_new/svg/86401-80-1.svg)
![(7R,8R,9S,13S,14S,17S)-3-hydroxy-13-methyl-7-(9-((4,4,5,5,5-pentafluoropentyl)thio)nonyl)-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-yl acetate](https://images.chemenu.com/attachments/products_new/svg/875573-69-6.svg)
![(6S,8S,9R,10S,11S,13S,14S,17R)-6,9-difluoro-11,17-dihydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one](https://images.chemenu.com/attachments/products_new/svg/806-29-1.svg)
![(4R,8S,9S,10R,13R,14S,17R)-10,13-dimethyl-17-((R)-6-methylheptan-2-yl)-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,4-diol](https://images.chemenu.com/attachments/products_new/svg/17320-10-4.svg)
