text: <unk>  is a β-lactamase-resistant penicillin introduced by Beecham, marketed by Eumedica Pharmaceuticals as Negaban. It is used primarily for the treatment of multiple drug-resistant, Gram-negative bacteria.  It is a carboxypenicillin.
option_0: Temocillin
option_1: Piperacillin sodium
option_2: Azlocillin
option_3: Hetacillin
option_4: Nafcillin sodium
option_5: Sultamicillin
option_6: Ticarcillin
option_7: Fumagillin