Stigmastane or '24R-ethylcholestane' is a tetracyclic triterpene, along with cholestane and ergostane, this sterane is used as a biomarker for early eukaryotes.
Stigmastane or '24R-ethylcholestane' is a tetracyclic triterpene, along with cholestane and ergostane, this sterane is used as a biomarker for early eukaryotes.
File:5α-Stigmastane.svg|5α-Stigmastane File:5β-Stigmastane.svg|5β-Stigmastane
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).