trimethyl-[2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)ethynyl]silane

2-hex-1-ynyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

1-Ethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole

4-乙炔基苯硼酸频哪酯

1,3-二甲基-1H-吡唑-4-硼酸频哪醇酯