title: Colorimetric determination of physostigmine in pharmaceuticals.
mesh_terms: D002626:Chemistry, Pharmaceutical; D003124:Colorimetry; D007267:Injections; D008722:Methods; D009883:Ophthalmic Solutions / Q000032:analysis; D010830:Physostigmine / Q000032:analysis*; D012459:Salicylates / Q000032:analysis; D013859:Thiocarbamates
chemical_list: D009883:Ophthalmic Solutions; D012459:Salicylates; D013859:Thiocarbamates; D010830:Physostigmine