tert-Butyl 4-((3,5-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophen-2-yl)methyl)piperazine-1-carboxylate 1g

tert-Butyl 4-((3,5-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophen-2-yl)methyl)piperazine-1-carboxylate 1g