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Buclet 2013 year

Which drug including the beta-lactam cycle in its structure gives a positive reaction with a solution of hydroxylamine hydrochloride in the presence of sodium hydroxide followed by adding the solution of iron (III) chloride?
  • Antipyrine
  • Dibazolum
  • Papaverine hydrochloride
  • Phenoxymethylpenicillin
  • Streptocid

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