In low temperature, reaction of ketone with sodium acetylide synthesized 1 - ethynyl - 2,3, 4,5 - tetramethyl - 2 - cyclopentene - 1 - ol; 1,2 - diphenyl - 2 - hydroxy - 3 - butine - 1 - one; 3,4 - diphenyl - 1,5 - hexad...

maytanbutine的音标：maytanbutine的英式发音音标为：['meɪtənbju:tɪn]maytanbutine的美式发音音标为：['meɪtənbjutɪn]...