Assertion: thc | /r/HasProperty | isolated
Facets:
Source sentences:
text: The worldwide use of marijuana and hashish as intoxicants has raised various medical and social questions, many of which have been under continuing scientific investigation, especially since the mid-1960s, when THC was first isolated and produced synthetically.
text: In 1940, cannabidiol was isolated and identified from Cannabis sativa, and THC was isolated and described for its structure and synthesis in 1964.
text: Cannabidiol was isolated and identified from Cannabis sativa in 1940, and THC was isolated and its structure elucidated by synthesis in 1964.
text: THC was first isolated and elucidated in 1969 by Raphael Mechoulam and Yechiel Gaoni at the Weizmann Institute of Science in Israel.