Is Estra-4,9,11-trien-3-one, 17-hydroxy-17-(2-propenyl)-, (17-beta)- vegan?

Altrenogest is also known as Estra-4,9,11-trien-3-one, 17-hydroxy-17-(2-propenyl)-, (17-beta)-.

Altrenogest is a synthetic progestin of the 19-nortestosterone group, widely used in veterinary medicine to suppress or synchronize estrus in horses and pigs.

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