Pipurin, Pipeacid, Deblaston, 8-Ethyl-5-oxo-2-piperazin-1-ylpyrido[2,3-d]pyrimidine-6-carboxylic acid, Pyrido[2,3-d]pyrimidine-6-carboxylic acid, 8-ethyl-5,8-dihydro-5-oxo-2-(1-piperazinyl)-, Filtrax, Palin, Memento 400, 1489RB, Tractur, 8-Ethyl-2-(piperazin-1-yl)-5-oxo-5,8-dihydropyrido[2,3-d]pyrimidine-6-carboxylic acid, Urosten, 8-Ethyl-5,8-dihydro-5-oxo-2-(1-piperazinyl)pyrido[2,3-d]pyrimidine-6-carboxylic acid, 8-Ethyl-5,8-dihydro-5-oxo-2-(1-piperazinyl)pyrido(2,3-d)pyrimidine-6-carboxylic acid, Uromidin, Pipedac, Pipemid, Pi-Coli, Uroval, Uropimid, Dolcol