chemtool: ChemTool - Chemical Molecule Drawing Program chemtool: chemtool: Chemtool is a small program for drawing chemical structures on chemtool: Linux and Unix systems using the GTK toolkit under X11. chemtool: chemtool: Homepage: http://ruby.chemie.uni-freiburg.de/~martin/chemtool/ chemtool: chemtool: chemtool: chemtool: chemtool: