4,7-Dichloropyrido[2,3-d]pyrimidine

5,7-dichloropyrido[3,4-d]pyridazin...   

2,4-dichloropyrido[2,3-d]pyrimidin...   

2,4-dichloropyrido[3,2-d]pyrimidin...   

2,4-dichloropyrido[3,4-d]pyrimidin...   

1,4-dichloropyrido[4,3-d]pyridazin...   

2,4-dichloropyrido[2,3-d]pyrimidin...   

2,4-dichloropyrido[3,2-d]pyrimidin...   

2,4-dichloropyrido[3,4-d]pyrimidin...   

1,4-dichloropyrido[4,3-d]pyridazin...   

2,4-dichloropyrido[2,3-d]pyrimidin...   

2,4-dichloropyrido[3,2-d]pyrimidin...   

2,4-dichloropyrido[3,4-d]pyrimidin...   

1,4-dichloropyrido[4,3-d]pyridazin...   

2,4-dichloropyrido[2,3-d]pyrimidin...   

2,4-dichloropyrido[3,2-d]pyrimidin...   

2,4-dichloropyrido[3,4-d]pyrimidin...   

1,4-dichloropyrido[4,3-d]pyridazin...   

2,4-Dichloropyrido[2,3-d]pyrimidin... 

2,4-dichloropyrido[2,3-d]pyrimidin... 

4,6-Dichloropyrido[3,4-d]pyrimidin... 

4,6-dichloropyrido[3,2-d]pyrimidin... 

1,4-dichloropyrido[4,3-d]pyridazin... 

2,4-dichloropyrido[3,2-d]pyrimidin... 

2,4-dichloropyrido[3,4-d]pyrimidin... 

2,4-Dichloropyrido[2,3-d]pyrimidin... 

2,4-Dichloropyrido[2,3-d]pyrimidin... 

2,4-Dichloropyrido[2,3-d]pyrimidin... 

4,7-Dichloropyrido[2,3-d]pyrimidin... 

5,7-Dichloropyrido[4,3-d]pyrimidin... 

2,4-Dichloropyrido[3,2-d]pyrimidin... 

2,4-Dichloropyrido[3,2-d]pyrimidin...