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Three compounds are shown by their structural formulae.
Compound 1: CH3CH2CH2CH2OH
Compound 2: CH3CH2CH(OH)CH3
Compound 3: CH3CH2OCH2CH3
State what all three compounds have in common that makes them isomers.
Identify the type of structural isomerism shown by Compound 1 and Compound 2, and the type shown by Compound 1 and Compound 3.