1-(2,4-Difluorophenyl)-4-iodo-1H-pyrazolo[3,4-b]pyridine
5-Amino-7-benzyl-2-chloro-6,7,8,9-tetrahydropyrido[2,3-b][1,6]naphthyridine-3-carbonitrile
2-Chloro-4-(4-methoxyphenyl)pyrido[2,3-b]pyrazin-3(4h)-one
2-Chloro-4-(4-chlorophenyl)pyrido[2,3-b]pyrazin-3(4h)-one