title: Gas chromatography of the photochemical isomers of ergosterol.
mesh_terms: D002849:Chromatography, Gas; D004875:Ergosterol / Q000032:analysis*; D004952:Esters / Q000032:analysis; D007536:Isomerism; D008722:Methods; D008970:Molecular Weight; D010777:Photochemistry; D013056:Spectrophotometry, Ultraviolet; D013696:Temperature
chemical_list: D004952:Esters; D004875:Ergosterol