6-(氯乙酰基)-2-吡啶羧酸

3,4-diethoxybenzenecarbothioamide

methyl 6-[2-(3,4-diethoxyphenyl)thiazol-4-yl]pyridine-2-carboxylate

3,4-二乙氧基苯甲腈

6-乙酰基-2-吡啶羧酸