Assertion: phenolphthalein | /r/ObjectUse | used for decade
Facets:
value: as a laxative
type: PURPOSE
Source sentences:
text: Although phenolphthalein was used for decades as a laxative, it is currently facing a hurdle as the US Food and Drug Administration (FDA) has asked pharmaceutical distributors, retailers, and manufacturers to take phenolphthalein based laxatives off the shelf in US markets.