Tert-butyl 4-chloro-2-(trifluoromethyl)-5,6-dihydropyrido[3,4-d]pyrimidine-7(8h)-carboxylate
2-(Trifluoromethyl)-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidin-4-ol
Tert-butyl 4-hydroxy-2-(trifluoromethyl)-5,6-dihydropyrido[3,4-d]pyrimidine-7(8h)-carboxylate
5-Bromo-4-chloro-1-(phenylsulfonyl)-1H-pyrrolo[2,3-b]pyridine-2-carboxylic acid