7,5'-Anhydroethylidene-6,6'-bis(2,3,7-trihydroxynaphthazarin) Formula: C22H12O13 CAS#: MW: 484.32 [MS]	Dots surface:
Species utilize 7,5'-Anhydroethylidene-6,6'-bis(2,3,7-trihydroxynaphthazarin) in its chemical communication system Clypeasteroida, Scutellidae   Scaphechinus mirabilis      P ¦Category of the chemical signal A -   Attractant Al -   Allomone K -   Kairomone P -   Pheromone Sy -   Synomone¦   ¦(*) indicates that compound is active¦    Sand dollar