Optional_OptionaldocumentAn attachment with the structural representation e.g. a structure graphic or AnIML file
OptionalextensionAdditional content defined by implementations
OptionalformatThe format of the representation e.g. InChI, SMILES, MOLFILE (note: not the physical file format)
OptionalidUnique id for inter-element referencing
OptionalmodifierExtensions that cannot be ignored even if unrecognized
OptionalrepresentationThe structural representation or characterization as a text string in a standard format
OptionaltypeThe kind of structural representation (e.g. full, partial)
The structural representation or characterization as a text string in a standard format