diff --git a/utils/ncbo2owl.pl b/utils/ncbo2owl.pl
new file mode 100755
index 0000000..2f4c0d7
--- /dev/null
+++ b/utils/ncbo2owl.pl
@@ -0,0 +1,7 @@
+#!/usr/bin/perl -np
+# See: https://github.com/INCATools/ontology-access-kit/issues/427
+s@skos:prefLabel @rdfs:label @;
+s@<http://purl.bioontology.org/ontology/\w+/isa> @rdfs:subClassOf @;
+s@umls:cui """(\w+)"""\^\^xsd:string@skos:exactMatch umls:$1@;
+s@umls:cui """(\w+)"""\^\^xsd:string@skos:exactMatch umls:$1@;
+s@(<http://purl.bioontology.org/ontology/RXNORM/(has_ingredient|consists_of|has_dose_form|tradename_of)>) (<http://purl.bioontology.org/ontology/RXNORM/\d+>)@rdfs:subClassOf [a owl:Restriction; owl:onProperty $1; owl:someValuesFrom $3]@;