1 3 5 7-tetramethyl-2 4 8-trioxa-6-phosphaadamantane July 8, 2019 16 32 64 128 4 4 5 5-tetramethyl-2-(4 4 5 5-tetramethyl-1 3 2-dioxaborolan-2-yl)-1 3 2-dioxaborolane 1-(1-ethoxyethyl)-4-(4 4 5 5-tetramethyl-1 3 2-dioxaborolan-2-yl)-1h-pyrazole 4 4 5 5-tetramethyl-1 3 2-dioxaborolane 4-(4 4 5 5-tetramethyl-1 3 2-dioxaborolan-2-yl)-1h-pyrazole