<n0:ComplexDefinition xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:def-definition>A substance that is being studied in the treatment of cancer.</n0:def-definition><n0:def-source>NCI-GLOSS</n0:def-source></n0:ComplexDefinition>
<n0:ComplexDefinition xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:def-definition>A quinolinone derivative that inhibits farnesyl protein transferase, an enzyme that mediates the farnesylation of RAS, causing possible inhibition of the RAS pathway.</n0:def-definition><n0:def-source>NCI</n0:def-source></n0:ComplexDefinition>