Unsaurated fatty acid, Phenylalanine, Ketopentose, Butyl formate, 2-methyl-3-chloro-4-heptanol

1. Draw the structure of any unsaturated fatty acid and give its molecular formula.

2. Draw the structure of any aromatic amino-acid and give the molecular formula.

3. Draw the structure of a ketopentose.

4. Draw the structure of butyl formate and give its molecular formula.

5. Draw the structure of 2-methyl-3-chloro-4-heptanol and give the molecular formula.