5-hydroxymethyl-[1,2,3]thiadiazole-4-carboxylic acid ethyl ester

5-甲基-1,2,3-噻二唑-4-羧酸乙酯

(Z)-3-diazonio-4-ethoxy-4-oxo-1-phenoxybut-2-en-2-olate

ethyl 5-(phenoxymethyl)thiadiazole-4-carboxylate

5-(bromo-phenoxy-methyl)-[1,2,3]thiadiazole-4-carboxylic acid ethyl ester