SnO 关键字: 金属; 醇化物; 羟基化; 氧化锑; 氧化锡; 复合粉[gap=551]Key words: metal; alcoholate; hydroxylation; antimony oxide; tin oxide; composite powder
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新的2,3-二氢化茚醇化合物,其制备方法和包含它们的药物组合物。
New 2,3-dioxide, indanol compounds, process for their preparation and pharmaceutical compositions containing them.
本发明涉及一种乙醇化噻托溴铵结晶及其制备方法和药物组合物。
The present invention relates to alcoholated tiotropium bromide crystal and its preparation process and medicine composition.
氯醇化法和有机过氧化物法曾经是主要的环氧丙烷生产工艺。
Chlorohydrination and the organic peroxide process are the main traditional methods for producing epoxy propane.
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