title: Chaetochromins B, C and D, bis(naphtho-gamma-pyrone) derivatives from Chaetomium gracile.
mesh_terms: D007202:Indicators and Reagents; D009682:Magnetic Resonance Spectroscopy; D009183:Mycotoxins / Q000302:isolation & purification*; D011714:Pyrans / Q000302:isolation & purification*; D013098:Xylariales
chemical_list: D007202:Indicators and Reagents; D009183:Mycotoxins; D011714:Pyrans; C032678:chaetochromin