title: O-Methylation effect on the carbon-13 nuclear magnetic resonance signals of ortho-disubstituted phenols and its application to structure determination of new phthalides from Aspergillus silvaticus.
mesh_terms: D001230:Aspergillus / Q000032:analysis*; D002247:Carbon Isotopes; D009682:Magnetic Resonance Spectroscopy; D008745:Methylation; D010636:Phenols / Q000032:analysis*; D010795:Phthalic Acids / Q000032:analysis*
chemical_list: D002247:Carbon Isotopes; D010636:Phenols; D010795:Phthalic Acids