Which of the following is amide group?

1.	Which of the following is amide group?
Answer» `CH_(3)NHCH_(2)CH_(3)` `CH_(3)-CH_(2)- underset(underset(O)(\|\|))(C )-NH_(2)` `CH_(3) - underset(underset(NH_(2))(\|))(C H)- COOH` `CH_(3)- CH_(2)- underset(underset(O)(\|\|))(C )-CH_(2)-CHO` Answer :B

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