|   SubstanceDefinition | Substance (and derived classes: Chemical, Polymer, Protein, Nucleic_Acid, Structurally_Diverse) | 
 |     identifier | Substance.Substance_Id | 
 |     version | Version.Version_Number | 
 |     status | n/a | 
 |     classification | Substance_Classification.Substance_Classification and Substance_classification.Substance_Classification_Subtype | 
 |     domain | Substance_Classification.Substance_Classification (and Code and Type) and Substance_Classification.Substance_Classification_Subtype | 
 |     grade | Substance_Specified_Substance_Group_3.Grade | 
 |     description | Substance.Comment | 
 |     informationSource | Substance.Reference_Source | 
 |     note | n/a | 
 |     manufacturer | n/a | 
 |     supplier | n/a | 
 |     moiety | Substance.Moiety | 
 |         role | Moiety.Moiety_Role | 
 |         identifier | Moiety.Moiety_Id | 
 |         name | Moiety.Moiety_Name | 
 |         stereochemistry | Moiety.Stereochemistry | 
 |         opticalActivity | Moiety.Optical_Activity | 
 |         molecularFormula | Moiety.Molecular_Formula | 
 |         amount[x] | Moiety.Amount | 
 |         measurementType | Amount.Amount_Type | 
 |     property | Substance.Property | 
 |         type | Property.Property_Type | 
 |         value[x] | Physical Characteristics, attribute's value | 
 |     molecularWeight |  | 
 |         method | Molecular_Weight.Molecular_Weight_Method | 
 |         type | Molecular_Weight.Molecular_Weight_Type | 
 |         amount | Molecular_Weight.Amount | 
 |     structure | Substance.Structure | 
 |         stereochemistry | Structure.Stereochemistry | 
 |         opticalActivity | Structure.Optical_Activity | 
 |         molecularFormula | Structure.Molecular_Formula | 
 |         molecularFormulaByMoiety | Structure.Molecular_Formula_By_Moiety | 
 |         molecularWeight | Structure.Molecular_Weight | 
 |         technique | n/a | 
 |         sourceDocument | Structure.Reference_Source | 
 |         representation | Structure.Structural_Representation | 
 |             type | Structural_Representation.Structural_Representation_Type | 
 |             representation | Structural_Representation.Structural_Representation | 
 |             format | n/a | 
 |             document | Structural_Representation.Structural_Representation_Attachment | 
 |     code | Substance.Substance_Code | 
 |         code | Substance_Code.Code, Substance_Code.Code_System, Substance_Code.Code_System_Id | 
 |         status | Substance_Code.Code_System_Status | 
 |         statusDate | Substance_Code.Code_Change_Date | 
 |         note | Substance_Code.Comment | 
 |         source | Substance_Code.Reference_Source | 
 |     name | Substance.Substance_Name | 
 |         name | Substance_Name.Substance_Name | 
 |         type | Substance_Name.Substance_Name_Type | 
 |         status | n/a | 
 |         preferred | n/a | 
 |         language | Substance_Name.Language | 
 |         domain | Substance_Name.Substance_Name_Domain | 
 |         jurisdiction | Substance_Name.Jurisdiction | 
 |         synonym | n/a | 
 |         translation | n/a | 
 |         official | Substance_Name.Official_Name | 
 |             authority | Official_Name.Official_Name_Type | 
 |             status | Official_Name.Official_Name_Status | 
 |             date | Official_Name.Official_Name_Status_Change_Date | 
 |         source | Substance_Name.Reference_Source | 
 |     relationship | Substance.Reference_Information.Relationship | 
 |         substanceDefinition[x] | Substance_Relationship.Related_Substance_Id | 
 |         type | Substance_Relationship.Relationship_Type | 
 |         isDefining | Substance_Relationship.Is_Defining | 
 |         amount[x] | Substance_Relationship.Amount.Quantity | 
 |         ratioHighLimitAmount | Substance_Relationship.Amount.Quantity.High_Limit | 
 |         comparator | Substance_Relationship.Amount_Type | 
 |         source | Substance_Relationship.Reference_Source | 
 |     sourceMaterial | Substance.Source_Material | 
 |         type | Source_Material.Source_Material_Type | 
 |         genus | Source_Material.Organism.Genus | 
 |         species | Source_Material.Organism.Species | 
 |         part | Source_Material.Part_Description.Part | 
 |         countryOfOrigin | Source_Material.Country_Of_Origin |