2-Iodo-4-nitro-1-(phenylsulfonyl)-1H-pyrrolo[2,3-b]pyridine
4-Chloro-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidine
5-Trityl-4,5,6,7-tetrahydrothieno[3,2-c]pyridine
4-(4-Chloro-1H-imidazo[4,5-c]pyridin-2-yl)-2-methoxyphenol
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