title: Collaborative study of a spectrophotometric method for the determination of dienestrol in pharmaceuticals.
mesh_terms: D000466:Alkadienes / Q000032:analysis; D004967:Estrogens / Q000032:analysis*; D004987:Ethers; D006863:Hydrogen-Ion Concentration; D007536:Isomerism; D008722:Methods; D008832:Microchemistry; D010636:Phenols / Q000032:analysis*; D013056:Spectrophotometry, Ultraviolet; D013997:Time Factors
chemical_list: D000466:Alkadienes; D004967:Estrogens; D004987:Ethers; D010636:Phenols