BUTENANDT, A [Ommochromes. V. Xanthommatin, eye pigment of the blowfly Calliphora erythrocephala]. [electronic resource] - Hoppe-Seyler's Zeitschrift fur physiologische Chemie Jul 1955 - 109-14 p. digital Publication Type: Journal Article ISSN: 0018-4888 Subjects--Topical Terms: AnimalsDipteraOxazinesPhenothiazinesPigments, Biological--metabolismTryptophan--metabolismXanthenes