Complex sentence: Ethiodized oil (Ethiodol, Savage Laboratories) also known as lipiodol is a poppyseed oil used by injection as a radio-opaque contrast agent that is used to outline structures in radiological investigations.
Split into simpler sentences: Ethiodized oil (Ethiodol, Savage Laboratories) also known as lipiodol is used by injection as a radio-opaque contrast agent. Lipiodol is an iodinated, radio-opaque contrast poppyseed oil that is used to outline structures in radiological investigations.