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地衣是一類獨(dú)特的生物有機(jī)體,其體內(nèi)合成了多種特殊的次生代謝產(chǎn)物,主要為縮酚酸、縮酚酸環(huán)醚 、 縮酚酮、二苯并呋喃等類化合物.A lot of secondary metabolites such and were produced by lichens, a class of unique organisms....