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单词 pseudopurpurin
释义 pseu·do·purpurin
\“+\ noun
Etymology: International Scientific Vocabulary pseud- + purpurin
: a red crystalline compound C14H4O2(OH)3COOH obtained from madder root and also made synthetically that decomposes in boiling water into purpurin and carbon dioxide and whose alumina lake is a fine red pigment; purpurin-carboxylic acid
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更新时间:2024/12/24 1:22:49