def METHOD_NAME(self):
    for row in self.pubchem:
        short_iupac_names = []
        formula_list = []
        iupac_name = row['iupac_name']
        formula = row['molecular_formula']
        CID = row['compound_id']
        self.entity_list.append(CID)
        if len(iupac_name) < 20:
            short_iupac_names.append(row['iupac_name'])
        formula_list.append(formula)
        name_list_for_one_species = short_iupac_names + formula_list
        name_list_for_one_species = [n for n in name_list_for_one_species if n.strip() != '']
        self.species_name_mapping[CID] = name_list_for_one_species
    headers = self.pubchem.fieldnames
    for head in headers:
        if head not in self.stop_list:
            if 'count_' in head:
                r = head.replace('count_', '').replace('_', ' ')
                self.how_many_relations.append((r, head))
            else:
                r = head.replace('_', ' ')
                self.normal_relations.append((r, head))