Red dyestuffs all contain the quinone structure of anthracene, most of them are drawn from the plant, insect or animal, famous because it is good to be able to bear all fastness.
红色染料都含有蒽醌结构，它们大多数是从植物、昆虫或动物中提取的，以耐光牢度好而著称。
Red dyestuffs all contain the quinone structure of anthracene, most of them are drawn from the plant, insect or animal, famous because it is good to be able to bear all fastness.
红色染料都含有蒽醌结构，它们大多数是从植物、昆虫或动物中提取的，以耐光牢度好而著称。
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