144022-51-5 Hg-Pen V Mercurate(1-), (4-(2-((2-carboxylato-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo(3.2.0)hept-6-yl)amino)-2-oxoethoxy)phenyl)chloro-, hydrogen, (2S-(2alpha,5alpha,6beta))- p-(Chloromercuric)-phenoxyacetamido penicillin