Assertion: phenolphthalein | /r/HasProperty | chemical
Facets:
value: with the formula
type: OTHER
Source sentences:
text: Phenolphthalein is a chemical that is not an active ingredient in any approved drug in the United States.
text: Phenolphthalein is a chemical compound with the formula C 20 H 14 O 4 and is often written as "HIn" or "phph" in shorthand notation.