5,7-Dichlorothieno[3,2-b]pyridine
4,5-Dichlorothieno[2,3-d]pyrimidine
2,5-Dichlorothieno[3,2-b]thiophene
4,6-Dichlorothieno[2,3-b]pyridine
2,4-Dichlorothieno[3,2-d]pyrimidine
2,4-Dichlorothieno[2,3-d]pyrimidine
4,7-Dichlorothieno[2,3-d]pyridazine
4,7-Dichlorothieno[3,2-d]pyrimidine
7-Bromo-2,4-dichlorothieno[3,2-d]pyrimidine
6-Bromo-2,4-dichlorothieno[3,2-d]pyrimidine
