Ethyl 2-(3-nitro-6,7-dihydro-5H-cyclopenta[b]pyridin-7-yl)acetate
5-Chloro-4-(cyclohexylamino)-2-phenyl-4,5-dihydropyridazin-3(2H)-one
6-Morpholinopyridazine-3-carbonitrile
tert-Butyl (3,6-dichloropyridazin-4-yl)carbamate
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