methyl 2-(4-(methoxycarbonyl)phenyl)-3-methyl-3,6-dihydro-2H-1,2-oxazine-6-carboxylate

methyl 4-(3,6-dihydro-2H-1,2-oxazin-2-yl)benzoate

methyl 4-(5-methyl-3,6-dihydro-2H-1,2-oxazin-2-yl)benzoate

甲醇

4-硝基碘苯