
1) Biological pigment
Found on
https://www.crosswordclues.com/clue/haematopodin

Haematopodin is the more stable breakdown product of Haematopodin B. Both compounds are found in the mushroom Mycena haematopus, although haematopodin only occurs in trace amounts in fresh fruit bodies. Similar pigments (with the 1,3,4,5-tetrahydropyrrolo[4,3,2-de]quinoline structure), known as batzellins and damirones, have been found in sea spon...
Found on
http://en.wikipedia.org/wiki/Haematopodin
No exact match found.