919767-89-8

1,3,2-Dioxaborolane,2-[2-ethenyl-1-[3-methyl-1-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,2-butadien-1-yl]cyclopropyl]-4,4,5,5-tetramethyl-