Studies in the biochemistry of micro-organisms: Emodic acid (4:5:7-trihydroxyanthraquinone-2-carboxylic acid) and omega-hydroxyemodin (4:5:7-trihydroxy-2-(hydroxymethyl)-anthraquinone), metabolic products of a strain of Penicillium cyclopium Westling

微生物生物化学研究：青霉菌（Penicillium cyclopium Westling）某菌株的代谢产物——大黄酸（4:5:7-三羟基蒽醌-2-羧酸）和ω-羟基大黄素（4:5:7-三羟基-2-(羟甲基)蒽醌）。