2,5-Diphenylpiperazine salt of benzylpenicillin 4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 3,3-dimethyl-7-oxo-6-((phenylacetyl)amino)-, (2S-(2-alpha,5-alpha,6-beta))-, compd. with 2,5-diphenylpiperazine (2:1) 7009-88-3 Alfadryl EINECS 230-290-6 Feniracilina [INN-Spanish] Feniracillina [DCIT] Penicillinate de 2,5-diphenyl piperazine [French] Penirazine Phenyracillin Phenyracillin [DCF:INN] Phenyracilline [French] Phenyracilline [INN-French] Phenyracillinum [INN-Latin]