Furan, benzofuran, and vinyl acetate were classified as possibly carcinogenic to humans.
呋喃，苯并呋喃，醋酸乙烯酯被列为可能对人类致癌。
2
The invention discloses a preparation method of a benzofuran ketones compound containing indoles substituent groups.
一种含吲哚类取代基的苯并呋喃酮类化合物的制造方法。
3
Several new bis (1,2-dicarbonyl) compounds containing benzofuran or benzothiophene ring have been synthesized and identified by elemental analysis and Infra red spectroscopy.