Write the structural formula of the ester C4H8O2 and 4 isomers.

1. Ethyl acetate, ethyl acetate.

2. Methyl propionate, propionic acid methyl ester.

3. Propyl formate, propyl ester of formic acid.

4. Isopropyl formate, isopropyl formic acid ester.

5. Butanoic acid.

6. 2-Methylpropanoic acid.



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