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(2007/10/02)(6R,7R)-7-Amino-3-(2-benzylsulfanyl-5,5-dimethyl-5H-imidazol-4-ylsulfanylmethyl)-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid
(6R,7R)-3-(2-Benzylsulfanyl-5,5-dimethyl-5H-imidazol-4-ylsulfanylmethyl)-7-[2-(3-chloro-isoxazol-5-yl)-acetylamino]-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid
S(2)-benzyl-S(4),5,5-trimethyldithiohydantoin