4XXR:
reference: Antibacterial properties and atomic resolution X-ray complex crystal structure of a ruthenocene conjugated beta-lactam antibiotic., Lewandowski EM, Skiba J, Torelli NJ, Rajnisz A, Solecka J, Kowalski K, Chen Y, Chem Commun (Camb). 2015 Mar 10. PMID: 25753149

This OCA Structure page
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