A plant genus of the family POLYGONACEAE. Members contain chrysophanic acid, rhein, EMODIN, and other ANTHRAQUINONES. The roots were formerly used as PURGATIVES.

Purgative anthraquinone found in several plants, especially Rhamnus frangula. It was formerly used as a laxative, but is now used mainly as tool in toxicity studies.

A plant genus of the family SAPINDACEAE that contain SAPONINS.

Butanones, also known as methyl ethyl ketone or MEK, are organic compounds consisting of a four-carbon chain with a ketone functional group located at the second carbon atom, classified as dimethyl ketones, and commonly used in industrial and laboratory settings as solvents and chemical intermediates.