chemical with specified structure ester 2017-07-18T12:56:04Z Any condition in which the main influencing factor is a substance is a chemical compound derived from the linkage of an organic or inorganic acid and an alcohol, phenol, heteroarenol, or enol with the loss of water (H2O) formed from one hydrogen derived from an acidic hydroxy group of the acid and an -OH (hydroxy) group of the alcohol. CHEBI:35701 XCO:0000511 experimental_condition_ontology jesmith