text: <unk>  is a much studied topic in organic chemistry because of the complex interrelationship between the different conformers of<unk>  and its derivatives. Different conformers may have differing properties, including stability and chemical reactivity.
option_0: Cyclohexane conformation
option_1: Glycosidic bond
option_2: Degenerate energy level
option_3: Disulfide bond
option_4: Isotopomers
option_5: Equilibrium unfolding
option_6: Nuclear isomer
option_7: Quaternary structure