4,4,5,5-tetramethyl-2-(4'-phenylspiro[cyclohexane-1,9'-fluoren]-7'-yl)-1,3,2-dioxaborolane

4,4,5,5-Tetramethyl-2-(4'-phenylspiro[cyclohexane-1,9'-fluoren]-7'-yl)-1,3,2-dioxaborolane is an industrial-grade boronic ester intermediate manufactured directly by Zhengzhou HQ Material Co., Ltd. It is sold into North America, Central/South America, and Asia, with no further product detail disclosed by the supplier.