title: HPLC assay for avermectin B1a and its two photoisomers using a photo diode array detector.
authors: Department of Animal and Exploratory Drug Metabolism, Merck, Sharp and Dohme Research Laboratories, Three Bridges, New Jersey 08887.
authors: M S
authors: MS
authors: Maynard
authors: H D
authors: HD
authors: Maynard
mesh_terms: D002851:Chromatography, High Pressure Liquid; D007536:Isomerism; D007559:Ivermectin / Q000031:analogs & derivatives* / Q000032:analysis; D013056:Spectrophotometry, Ultraviolet
chemical_list: C022120:avermectin B(1)a; D007559:Ivermectin