Hover over an atom and type the element symbol (e.g., 'O', 'N', 'Cl') on your keyboard to instantly change the atom type. 3. Advanced Features
MDL ISIS Draw 2.5: The Legacy of a Chemical Drawing Icon In the history of cheminformatics, few software packages have left as significant a mark as . For decades, it was the gold standard for scientists, educators, and students, providing a free and robust way to sketch chemical structures and reactions for publications and research. MDL ISIS Draw 2.5