4H-环戊并[2,1-B:3,4-B']二噻吩-4-酮

2,2'-dibromo-3,3'-dithienylmethane

(4H-cyclopenta<2,1-b:3,4-b'>dithiophene)-4-carboxylic acid

bis(2-iodothien-3-yl)methane

di(thiophen-3-yl)methanol