3-(5-Tetrazolyl)penam 57089-17-5 Benzeneacetamide, alpha-amino-N-(3,3-dimethyl-7-oxo-2-(1H-tetrazol-5-yl)-4-thia-1-azabicyclo(3.2.0)hept-6-yl)-4-hydroxy-, (2S-(2alpha,5alpha,6beta))- CP-35,587