tert-Butyl (S)-2-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-imidazol-2-yl)pyrrolidine-1-carboxylate 1g

tert-Butyl (S)-2-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-imidazol-2-yl)pyrrolidine-1-carboxylate 1g