4,4,5,5-Tetramethyl-2-(prop-1-en-2-yl)-1,3,2-dioxaborolane2-Isopropenyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolaneIsopropenylboronic acid, pinacol ester4,4,5,5-Tetramethyl-2-(isopropenyl)-1,3,2-dioxaborolane4,4,5,5-tetramethyl-2-(1-methylethenyl)-1,3,2-dioxaborolane2-异丙烯基-4,4,5,5-四甲基-1,3,2-二氧杂硼烷4,4,5,5-Tetramethyl-2-(prop-1-en-2-yl)-1,3,2-dioxaborolaneIsopropenylboronic acid pinacol ester异丙烯基硼酸频哪醇酯