It allows you to draw chemical structures including organics, organometallics, polymers, and Markush structures, among many other features. ACD/ChemSketch for personal and academic use brings the power of our structure drawing package to your home computer. Photo & Graphics tools downloads - ChemDraw Ultra by CambridgeSoft Corporation and many more programs are available for instant and free download. Application for creating professional looking representations of organic, organo-metallic, polymeric and bio-polymer.