2,5-噻吩二甲醛

2,5-bis(acetoxymethyl)thiophene

2,5-双(氯甲基)噻吩

3,4,11,12-Tetraoxa-17,18-dithia-tricyclo[12.2.1.16,9]octadeca-1(16),6,8,14-tetraene

2,5-dimethylene-2,5-dihydrothiophene