from frowns import MDL from frowns.Depict.MoleculeDrawer import * file = open("data\\bad.sdf") reader = MDL.mdlin(file, stripHydrogens=0) mol = reader.next() from Tkinter import * root = Tk() d = DrawMolHarness(root, mol, "bad") d.pack(expand=1, fill=BOTH) mainloop()