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Chemical category



Alkaloids with a structure based on the 4a-homomorphinan skeleton. 4a-homomorphinan is a tetracyclic compound similar to morphinan, with the difference that the benzene ring is replaced by a cycloheptatriene ring.


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Below are a few examples of 4a-homomorphinans found in the ClassyFire database. You may browse the list of known 4a-homomorphinans by searching the collection using the text search box above.

Example Entities

ID Structure Formula Mass