4-(2-bromo-5-iodothiophen-3-yl)-1-hexyl-1H-1,2,3-triazole

2-bromo-3-ethynylthiophene

selenopheno[2,3-b] thiophene

(Z)-1,2-bis(2-bromothiophen-3-yl)ethene

3,5-Dithia-4-selena-cyclopenta[f]azulene