2s 5r 6r 6 4r 2 2 dimethyl 5 oxo 4 phenylimidazolidin 1 yl 3 3 dimethyl 7 oxo 4 thia 1 azabicyclo 3 2 0 heptane 2 carboxylic acid, 6beta 4r 2 2 dimethyl 5 oxo 4 phenylimidazolidin 1 yl penicillanic acid, hetacilina
Hetacillin is a beta-lactam antibiotic prodrug used to treat bacterial infections. In the body it gets converted to ampicillin.