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Anonymous Posted 20 years ago
Grammar

usage of article

We reported a stereoselective synthesis of 1 via the regioselective and diastereoselective introduction of an N-protected amine group using chlorosulfonyl isocyanate (CSI). In the above sentence 'an' is okay?
  

Top answer

Yes, because the next sound is " en ".

— Milky

  • Yes, because the next sound is " en ".
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1 Answers
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Yes, because the next sound is "en".
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