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The major product(s) obtained in the following reaction is/are : (i) KO t BU (ii) O 3 /Me 2 S Br

1. OHC CHO
2. OHC CHO O t Bu
3. OHC CHO
4. OHC CHO and OHC–CHO

Correct answer: OHC CHO and OHC–CHO

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