_:b20553	<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>	<http://www.ontology-of-units-of-measure.org/resource/om-2/kilogramPerCubicDecimetre> .
_:b20521	<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>	<http://www.ontology-of-units-of-measure.org/resource/om-2/gramPerLitre> .
_:b20521	<http://www.w3.org/1999/02/22-rdf-syntax-ns#rest>	_:b20739 .
_:b20739	<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>	<http://www.ontology-of-units-of-measure.org/resource/om-2/solarMassPerCubicParsec> .
_:b20553	<http://www.w3.org/1999/02/22-rdf-syntax-ns#rest>	_:b20521 .
_:b20739	<http://www.w3.org/1999/02/22-rdf-syntax-ns#rest>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#nil> .