Also known as 2-Phenylchroman
The flavans are benzopyran derivatives that use the 2-phenyl-3,4-dihydro-2H-chromene skeleton. They may be found in plants. These compounds include the flavan-3-ols, flavan-4-ols and flavan-3,4-diols (leucoanthocyanidin).
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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).