碳酸氢钠

[2-[2-(2-chlorophenyl)ethenyl]-5-methyl-1,3-oxazol-4-yl]methanol

2-[2-(2-chlorophenyl)ethenyl]-5-methyl-1,3-oxazole-4-carbonyl chloride

2-[2-(2-chlorophenyl)ethenyl]-5-methyl-1,3-oxazole-4-carboxylic acid

ethyl 2-(2- chlorostyryl)-5-methyl-4-oxazolecarboxylate