title: Structures of fungal diterpene antibiotics LL-S491  and - .
mesh_terms: D000438:Alcohols / Q000302:isolation & purification; D000900:Anti-Bacterial Agents / Q000302:isolation & purification*; D001230:Aspergillus / Q000378:metabolism; D002942:Circular Dichroism; D007259:Infrared Rays; D007659:Ketones / Q000302:isolation & purification; D007783:Lactones / Q000302:isolation & purification*; D009682:Magnetic Resonance Spectroscopy; D009904:Optical Rotation; D013057:Spectrum Analysis; D013729:Terpenes / Q000302:isolation & purification*; D014466:Ultraviolet Rays
chemical_list: D000438:Alcohols; D000900:Anti-Bacterial Agents; D007659:Ketones; D007783:Lactones; D013729:Terpenes