catenarin

\\ˌkad.əˈna(a)rə̇n\ noun (-s)

Etymology: International Scientific Vocabulary catenar- (from New Latin catenarium — specific epithet of Helminthosporium catenarium — , from Latin, neut of catenarius) + -in; originally formed as German katenarin

: a red pigment C₁₅H₁₀O₆ produced as a metabolic product of certain fungi (as Helminthosporium catenarium); 1,4,5,7-tetrahydroxy-2-methyl-anthraquinone