19562-30-2 Actrun C Bactramyl NSC291120 PD 93 PD-93 Panacid Piromidic acid Pyrido[2,3-d]pyrimidine-6-carboxylic acid, 8-ethyl-5,8-dihydro-5-oxo-2-(1-pyrrolidinyl)- Reelon Urisept Zaomeal