Trimethylsilyl cyanide7677-24-9100 % similar 1,4-Bis(trimethylsilyl)-1,3-butadiyne4526-07-244 % similar Bis(trimethylsilyl)acetylene14630-40-140 % similar Trimethylsilylacetylene1066-54-233 % similar (Cyclopropylethynyl)trimethylsilane81166-84-932 % similar 1-(Trimethylsilyl)prop-1-yne6224-91-532 % similar 1-Iodo-2-(trimethylsilyl)acetylene 9718163-47-830 % similar