tert-butyl 4-(2-oxo-2-((4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)amino)ethyl)piperazine-1-carboxylate 1g

tert-butyl 4-(2-oxo-2-((4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)amino)ethyl)piperazine-1-carboxylate 1g