1-(tert-Butyl) 3-methyl 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole-1,3-dicarboxylate 100mg

1-(tert-Butyl) 3-methyl 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole-1,3-dicarboxylate 100mg