![tert-butyl 8-methyl-7-(4，4，5，5-tetramethyl-1，3，2-dioxaborolan-2-yl)-2，3-dihydro-1H-pyrido[2，3-b][1，4]oxazine-1-carboxylate](/static/images/placeholder.svg)
tert-butyl 8-methyl-7-(4，4，5，5-tetramethyl-1，3，2-dioxaborolan-2-yl)-2，3-dihydro-1H-pyrido[2，3-b][1，4]oxazine-1-carboxylate
tert-butyl 8-methyl-7-(4，4，5，5-tetramethyl-1，3，2-dioxaborolan-2-yl)-2，3-dihydro-1H-pyrido[2，3-b][1，4]oxazine-1-carboxylate
tert-butyl 8-methyl-7-(4，4，5，5-tetramethyl-1，3，2-dioxaborolan-2-yl)-2，3-dihydro-1H-pyrido[2，3-b][1，4]oxazine-1-carboxylate 95%