Amination of(E)-3-(thiophen-2-yl)acrylic acid with thionyl chloride and ammonia gave(E)-3-(thiophen-2-yl)acrylamide in 91% yield.是什么意思_Amination of(E)-3-(thiophen-2-yl)acrylic acid with thionyl chloride and ammonia gave(E)-3-(thiophen-2-yl)acrylamide in 91% yield.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句