Hydroxytertatolol is a beta blocker. It is a derivative of tertatolol.
{{Infobox drug | drug_name = | IUPAC_name = 8-{2-Hydroxy-3-[(2-methyl-2-propanyl)amino]propoxy}-4-thiochromanol | image = 4-Hydroxytertatolol.svg | image_class = skin-invert-image | alt = | caption =
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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).