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The correct structure of product 'P' in the following reactions is : Asn – Ser + (CH 3 CO ) 2 O ⎯ ⎯ → ⎯ 3 NEt P (excess)

1. H 3 C O N H OCOCH 3 O N H OH NH 2 O O
2. H 3 C O N H O N H OH O NH 2 OCOCH 3 O
3. H 3 C O N H OCOCH 3 O N H OH O O OCOCH 3
4. H 3 C O N H NHCOCH 3 O O N H OH O O OCOCH 3

Correct answer: H 3 C O N H O N H OH O NH 2 OCOCH 3 O

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