Complex sentence: Ethylferrocene is an organometallic compound with the formula C 12 H 14 Fe.It was originally used in military or space field as an additive in rocket propellant, to promote the burning rate.
Split into simpler sentences: Ethylferrocene is an organometallic compound with the formula C 12 H 14 Fe. It is important in military or space field as an addictive in rocket propellant, to promote the burning rate.