7-Amino-8-ethyl-2-(methylthio)-5-oxo-5,8-dihydropyrido[2,3-d]pyrimidine-6-carboxamide
7-Amino-2-chloro-8-ethyl-5-oxo-5,8-dihydropyrido[2,3-d]pyrimidine-6-carboxamide
7-(Tert-butyl)-6-((1-ethyl-1h-1,2,4-triazol-5-yl)methoxy)-3-(2-fluorophenyl)-[1,2,4]triazolo[4,3-b]pyridazine
6-Methyloxazolo[5,4-b]pyridine-2-thiol