Optional
_Optional
_Specified per moiety according to the Hill system
Optional
extensionAdditional content defined by implementations
Optional
idUnique id for inter-element referencing
Optional
modifierExtensions that cannot be ignored even if unrecognized
Optional
molecularMolecular formula (e.g. using the Hill system)
Optional
molecularSpecified per moiety according to the Hill system
Optional
molecularThe molecular weight or weight range
Optional
opticalOptical activity type
Optional
representationA depiction of the structure or characterization of the substance
Optional
sourceSource of information for the structure
Optional
stereochemistryStereochemistry type
Optional
techniqueThe method used to find the structure e.g. X-ray, NMR
Molecular formula (e.g. using the Hill system)