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xanthene怎么讀,xanthene什么意思,xanthene短語(yǔ)和例句
收錄時(shí)間:2022-08-31 09:37:07
xanthene怎么讀,xanthene什么意思
英 [?z?nθi?n]美 [?z?nθi?n]
n. 氧雜蒽(黃色小晶體,供有機合成物用)
xanthene
常用句子
1.In the present paper, a series of xanthene-2-carboxylic acids and xanthone-2-carboxylic acids with electron withdrawing groups on the 7-position had been synthesized.
本文合成了一系列7位拉電子基團取代的氧雜蒽-2-羧酸及氧雜蒽酮-2-羧酸化合物。
2.In the present paper, a series of xanthene-2-carboxylic acids and xanthone-2-carboxylic acids with electron withdrawing groups on the 7-position had been synthesized.
本文合成了一系列7位拉電子基團取代的氧雜蒽-2-羧酸及氧雜蒽酮-2-羧酸化合物。
3.Methyl 9-hydroxyl-9-xanthene carboxyate which is an important intermediate of xanthene anticholiergic drugs was easily synthesized from methyl 9-xanthene carboxyate.
羥基-9-呫噸羧酸甲酯是合成呫噸類(lèi)抗膽堿能藥物的一種重要的中間體。
4.The cationic dye may be chosen from azo dyes, azomethine dyes, methine dyes and xanthene dyes.