... 贝蠓 Bezzia Kieffer 钡盐 barium salts 倍半硅氧烷 silsesquioxane ...
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Results The yield was 73% after separation of 5-and 4-nitro-2-thiphenecarboxylic acid owing to the different solubility in water of their barium salts.
结果根据两种物质的钡盐在水中溶解度的不同分离得纯品5-硝基-2-噻吩甲酸，收率73%。
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