5-Bromo-4-chloro-6-ethyl-2-(trichloromethyl)pyrimidine

1-{[1,2,4]Triazolo[4,3-b]pyridazin-6-yl}-4-[2-(trifluoromethyl)benzenesulfonyl]piperazine

1-{[1,2,4]Triazolo[4,3-b]pyridazin-6-yl}-4-[4-(trifluoromethyl)benzenesulfonyl]piperazine

Ethyl 4-[(4-{[1,2,4]triazolo[4,3-b]pyridazin-6-yl}piperazin-1-yl)sulfonyl]benzoate

1-{6-[(4-{[1,2,4]Triazolo[4,3-b]pyridazin-6-yl}piperazin-1-yl)sulfonyl]-1,2,3,4-tetrahydroquinolin-1-yl}ethan-1-one

(E)-6-(4-((4-methylstyryl)sulfonyl)piperazin-1-yl)-[1,2,4]triazolo[4,3-b]pyridazine

1-{3-Methyl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl}-4-[4-(trifluoromethyl)benzenesulfonyl]piperazine

6-(4-(Benzylsulfonyl)piperazin-1-yl)-3-methyl-[1,2,4]triazolo[4,3-b]pyridazine

6-(4-((2,5-Diethoxyphenyl)sulfonyl)piperazin-1-yl)-3-methyl-[1,2,4]triazolo[4,3-b]pyridazine

(E)-3-methyl-6-(4-(styrylsulfonyl)piperazin-1-yl)-[1,2,4]triazolo[4,3-b]pyridazine

1-{3-Ethyl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl}-4-(2,4,5-trimethylbenzenesulfonyl)piperazine