danthron

Dantron (INN), also known as chrysazin or 1,8-dihydroxyanthraquinone, is an organic substance, formally derived from anthraquinone by the replacement of two hydrogen atoms by hydroxyl groups (–OH). It is used in some countries as a stimulant laxative.

It should not be confused with ondansetron, an unrelated drug that was marketed in South Africa under the trade name 'Dantron'.

In the USA, dantron is not used because it is considered to be a carcinogen.In the UK it is considered a possible carcinogen ...