Assertion: common mullein's leaf | /r/MadeOf | rotenone
Facets:
Source sentences:
text: Leaves contain rotenone which is used as an insecticide.
text: The leaves contain rotenone (insecticide) and coumarin (prevents blood clotting).
text: The leaves also contain rotenone which has insecticide properties.
text: The leaves contain rotenone, which is used as an insecticide.