英文别名
(2R,5R,6R)-4-nitrobenzyl 3,3-dimethyl-7-oxo-6-(2-phenylacetamido)-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate 4-oxide;6β-Phenylamidopenicillin-(R)-sulfoxid-p-nitrobenzylester;1ξ-oxo-6α-(2-phenyl-acetylamino)-1λ4-penicillanic acid 4-nitro-benzyl ester