static void Main()
 {
     {
         #region
         string filename = "/Users/rguha/conf2.sdf";
         using (var srm = new FileStream(filename, FileMode.Open))
         {
             IEnumerableMDLConformerReader reader = new IEnumerableMDLConformerReader(srm, ChemObjectBuilder.Instance);
             foreach (var cc in reader)
             {
                 // do something
             }
         }
         // do something with this set of conformers
         #endregion
     }
 }