"Preferred property label" is a declarative predefined property to specify a preferred property label and is provided by Semantic MediaWiki. This property is pre-deployed (also known as special property) and comes with additional administrative privileges but can be used just like any other user-defined property.
d
c
o
OWL2DLRestrictedAxiom (en) +
OWLRL2DLAxioms (en) +
c
t
typicalUnit (en) +
v
w
wikipediaReference (en) +
m
molecularFormula (en) +
h
hasSIQuantityValue (en) +
c
chemicalSymbolValue (en) +
i
iupacReference (en) +
m
mathematicalSymbolValue (en) +
i
h
hasIUPAC2016AtomicMass (en) +
hasJSONValue (en) +
hasPrefixMultiplier (en) +
hasSIConversionMultiplier (en) +
hasAtomicNumber (en) +
hasURIValue (en) +