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2013129002,2-dimethylpropanoyloxymethyl (6R,7R)-7-[[(2Z)-2-[2-[[[4-[(Z)-C-[[(6R,7R)-2-(2,2-dimethylpropanoylox

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201312902(6R,7R)-7-amino-3-[(1Z)-2-(4-methyl-5-thiazolyl)ethenyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-

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201312904(6R,7R)-7-[[(2Z)-2-(methoxyimino)-2-[2-[(methoxymethyl)amino]-4-thiazolyl]acetyl]amino]-3-[(1Z)-2-(4-

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