Laxatives:  chemical structure and potency of phthaleins and hydroxyanthraquinones.
D000880:Anthraquinones / Q000031:analogs & derivatives; D002400:Cathartics; D054368:Laxatives; D010635:Phenolphthaleins
D000880:Anthraquinones; D002400:Cathartics; D054368:Laxatives; D010635:Phenolphthaleins
ANTHRAQUINONE/derivatives; CATHARTICS; PHENOLPHTHALEIN/derivatives