title: Isolation and characterization of two 16-membered lactones: 20-deoxorosaramicin and 20-deoxo-12,13-desepoxy-12,13-dehydrorosaramicin aglycones, from a mutant strain of Micromonospora rosaria.
mesh_terms: D007933:Leucomycins / Q000096:biosynthesis / Q000302:isolation & purification*; D009682:Magnetic Resonance Spectroscopy; D013058:Mass Spectrometry; D008847:Micromonospora / Q000032:analysis* / Q000235:genetics; D009154:Mutation; D015645:Tylosin / Q000031:analogs & derivatives*
chemical_list: D007933:Leucomycins; C027411:protylonolide; C034622:20-deoxorosaranolide; D015645:Tylosin