methyl [2S-[2α,5α,6α,6(S*)]]-6-bromo-6-(1-hydroxyethyl)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate

Methyl (2S-(2alpha,5alpha,6alpha,6(S*)))-6-bromo-6-(1-hydroxyethyl)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo(3.2.0)heptane-2-carboxylate

(2S,5R,6S)-Methyl 6-Bromo-6-((R)-1-Hydroxyethyl)-3,3-Dimethyl-7-Oxo-4-Thia-1-Aza-Bicyclo[3.2.0]Heptane-2-Carboxylate

methyl 6-±-bromo-6-2-<(1R)-hydroxyethyl>penicillanate

methyl (3S,5R,6S)-6-bromo-6-<(R)-1-hydroxyethyl>penicillanate

methyl (3S,5R,6S)-6-bromo-6-<(1R)-hydroxyethyl>penicillanate

methyl (3S,5R,6S)-6-bromo-6-((R)-1-hydroxyethyl)penicillanate

methyl 6-±-bromo-6-2-<(1R)-hydroxyethyl>penicillanate

(2S,5R,6S)-Methyl 6-Bromo-6-((R)-1-Hydroxyethyl)-3,3-Dimethyl-7-Oxo-4-Thia-1-Aza-Bicyclo[3.2.0]Heptane-2-Carboxylate