2-hydroxy-5-methoxybenzaldehyde
benzyl chloride
2-benzyloxy-5-methoxybenzaldehyde
sodium cyanide
acetic anhydride
2-(2-Benzyloxy-5-methoxyphenyl)-2,4-dimethyl-3-oxo-3,4-dihydro-2H-1,4-benzothiazine
Ethyl 2-(2-benzyloxy-5-methoxyphenyl)-2-methanesulfonyloxyacetate
2-(2-Benzyloxy-5-methoxyphenyl)-4-methyl-3-oxo-3,4-dihydro-2H-1,4-benzothiazine
Ethyl 2-(2-benzyloxy-5-methoxyphenyl)-2-hydroxyacetate