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Active Pharmceutical ingresients
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Ethyl 5-amino-4-cyano-3-(2-ethoxy-2-oxoethyl)thiophene-2-carboxylate

Quality standard:
Appearance: yellow crystalline powder Mp : 137-138oC
Assay≥99.0 % , Total impurity < 0.5 % , Individual impurity < 0.2 %

 
 
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