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3.Ethyl 2-amino-4-(4-bromo phenyl)-thiophene-3-carboxylateEthyl 2-amino-4-(4-bromo phenyl)-thiophene-3-carboxylate

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1.Ethyl 2-amino-4-methyl-5-(methoxycarbonyl)thiophene-3-carboxylate   126-127
      6025048; Journal; Mitchell, Reginald H.; Iyer, Vivekanantan S.; JACSAT; J. Am. Chem. Soc.; EN; 118; 4; 1996; 722-726.
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2

Molecular Formula: C19H17NO2S

Formula Weight: 323.40

Registry number: 307343-50-6

MDL number: MFCD01912029

Melting point: 155-157 ¡ãC

3

Molecular Formula: C13H12BrNO2S

Formula Weight: 326.20

Registry number: 306934-99-6

MDL number: MFCD00435056

Melting point: 120-122 ¡ãC

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