Heteroxanthin in Euglena gracilis.
D055598:Chemical Phenomena; D002621:Chemistry; D005056:Euglena gracilis / Q000032:analysis*; D014975:Lutein / Q000032:analysis*; D014970:Xanthines / Q000032:analysis* / Q000138:chemical synthesis
D014970:Xanthines; D014975:Lutein