Assertion: toluene | /r/HasProperty | byproduct
Facets:
value: by a catalytic reformer
type: OTHER
value: by ethylene cracker
type: OTHER
value: in the production of gasoline
type: OTHER
Source sentences:
text: Toluene occurs naturally at low levels in crude oil and is a byproduct in the production of gasoline by a catalytic reformer or ethylene cracker.