Ethyl 4-chloropyrido[3,4-d]pyrimidine-2-carboxylate
2-(Trimethylsilyl)ethyl 4-(3-cyanophenyl)-5,6-dihydropyridine-1(2H)-carboxylate
5-Chloropyridazin-3-(2H)-one
2-Chlorothieno[3,2-b]pyridine
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