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United States
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(1S,2S)-(-)-1,2-Diphenyl-1,2-ethanediamineCAS NO.: 29841-69-8
(6R,7R)-3-Hydroxy-8-oxo-7-[(phenylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid diphenyl methyl esterCAS NO.: 54639-48-4
Mr.Max Yeh
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