title: The structure of hallachrome: 7-hydroxy-8-methoxy-6-methyl-1,2-anthraquinone.
mesh_terms: D000845:Annelida / Q000032:analysis; D000880:Anthraquinones / Q000032:analysis* / Q000302:isolation & purification; D007259:Infrared Rays; D009682:Magnetic Resonance Spectroscopy; D013058:Mass Spectrometry; D008738:Methyl Ethers / Q000032:analysis / Q000302:isolation & purification; D010860:Pigments, Biological / Q000032:analysis* / Q000302:isolation & purification; D013057:Spectrum Analysis; D014466:Ultraviolet Rays
chemical_list: D000880:Anthraquinones; D008738:Methyl Ethers; D010860:Pigments, Biological