ullmann
美
英 
例句
Another way was to combine directly anhydrous piperazine with 2, 3-dichloro- bromobenzene through Ullmann reaction.
二是直接用无水哌嗪与2,3-二氯溴苯通过乌尔曼反应合成。
In the 1970s it provided major backing for fringe banks such as UDT, Keyser Ullmann and Dalton Barton, which collapsed with huge losses.
上世纪70年代,保诚向UDT、KeyserUllmann和DaltonBarton等边缘银行提供了重大支持,但这些银行最终都因巨额亏损而倒闭。