The correct structure of cyclobutylmethyl cyclopentane is

The correct structure of cytosine is

The correct structure of Fe(CO)₅ , is

Draw the structure of (i) 1-ethyl-2-methyl cyclopentane (ii) 1-ethyl-2, 3-dimethyl cyclohexane (iii) 5-ethyl-2-methylcyclohex-1-ene

The correct structure of the paracetamol is :