ChEBI Get Compound

Get detailed information about a chemical entity from ChEBI (Chemical Entities of Biological Interest) by its CHEBI ID. Returns the compound name, definition, synonyms, molecular formula, mass, InChIKey, SMILES, charge, and star rating (curation quality: 3=manually curated, 2=checked, 1=unchecked). ChEBI is maintained by EBI and is the standard reference for small molecules in biology. Example: CHEBI:15365 returns acetylsalicylic acid (aspirin).