diff --git a/omnipath_metabo/schema/_main.py b/omnipath_metabo/schema/_main.py
index c1d3c57..f9d901d 100644
--- a/omnipath_metabo/schema/_main.py
+++ b/omnipath_metabo/schema/_main.py
@@ -80,17 +80,17 @@ def load_all(self):
             if getattr(db,'scheme',None) is _structure.Structure:
                 h = db
                 self.load(h)
-        
+
         self.chem_properties_populate()
         self.update_mol_column()
 
 
-# Change the method for updating is_polymer to use InchI. 
+# Change the method for updating is_polymer to use InchI.
     def chem_properties_populate(self):
         _log('Querying mol structures', level=-1)
         query = text(r"""
             UPDATE identifiers
-            SET 
+            SET
                 is_polymer = (structures.smiles ~ '.*\)n.*'),
                 has_conformation = (structures.smiles ~ '.*[\\/]=.*'),
                 has_stereo = (structures.smiles ~ '.*@.*'),
@@ -110,6 +110,7 @@ def update_mol_column(self):
         self.con.session.commit()
         _log('Finished creating mol column.', level  =-1)
 
+
 class Loader():
 
     def __init__(self, resource, con):
diff --git a/omnipath_metabo/schema/_structure.py b/omnipath_metabo/schema/_structure.py
index d4cd80e..2d4bc71 100644
--- a/omnipath_metabo/schema/_structure.py
+++ b/omnipath_metabo/schema/_structure.py
@@ -12,9 +12,10 @@ def get_col_spec(self, **kw):
 
 class Structure(Base):
     __tablename__ = 'structures'
-    id = Column(Integer, primary_key=True)
+    id = Column(Integer, primary_key = True)
     name = Column(String)
-    smiles = Column(String, unique= True)
+    smiles = Column(String)
+    inchi = Column(String, unique = True)
     mol = Column(MolType)
     identifier = relationship(
         'Identifier',
@@ -102,13 +103,16 @@ def __iter__(self):
             'smiles',
             'average_molecular_weight',
             'monisotopic_molecular_weight',
-            'chemical_formula'
+            'chemical_formula',
+            'inchi',
             ):
+
             yield {
-                'structure':(met[0][0], met[0][1]), 
+                'structure':(met[0][0], met[0][1], met[0][5]),
                 'properties': (met[0][2], met[0][3], None, met[0][4])
             }
 
+
 class SwissLipids():
     scheme = Structure
     name = 'SwissLipids'
@@ -120,7 +124,11 @@ def __iter__(self):
                     mass = met['Mass (pH7.3)']
 
             yield {
-                'structure':(met['Lipid ID'], met['SMILES (pH7.3)']),
+                'structure': (
+                    met['Lipid ID'],
+                    met['SMILES (pH7.3)'],
+                    met['InChi (pH7.3)'],
+                ),
                 'properties':(mass, 0, met['Charge (pH7.3)'],met['Formula (pH7.3)'])
                 }
 
@@ -140,7 +148,7 @@ def __iter__(self):
                     continue
 
                 yield {
-                    'structure':(met['id'], smiles),
+                    'structure':(met['id'], smiles, met['name']['INCHI']),
                     'properties':(met['annot'].get('EXACT_MASS', None), None, None, met['name'].get('FORMULA', None) )
                 }
 
@@ -152,6 +160,6 @@ def __iter__(self):
         for row in ramp.ramp_iter('chem_props'):
 
             yield {
-                'structure': (row[0], row[3]), 
+                'structure': (row[0], row[3], row[6]),
                 'properties':(row[7], row[8], None, row[10])
                 }