3,4-didecoxythiophene-2,5-dicarboxylic acid

3,4-dihydroxythiophene-2,5-dicarboxylic acid

2,3-二氢-噻吩并[3,4-b]-1,4-二噁英-5,7-二羧酸二乙酯

3,4-亚丙基二氧噻吩-2,5-二羧酸

3,4-乙撑二氧基噻吩-2,5-二羧酸