Imidazolone and imidazolidinone artifacts of a pivotal imidazolthione, zyzzin, from the Poescilosclerid sponge Zyzza massalis from the Coral Sea : the first thermochromic systems of marine origin Mancini, I. Guella, G. /Debitus, Cécile /Duhet, Daniel Pietra, F. INVERTEBRE AQUATIQUE SUBSTANCE NATURELLE ACTIVITE BIOLOGIQUE STRUCTURE CHIMIQUE EPONGE SPONGIAIRE SYSTEME THERMOCHROMIQUE 1994 text https://www.documentation.ird.fr/hor/fdi:010026196 fdi:010026196 Mancini I., Guella G., Debitus Cécile, Duhet Daniel, Pietra F.. Imidazolone and imidazolidinone artifacts of a pivotal imidazolthione, zyzzin, from the Poescilosclerid sponge Zyzza massalis from the Coral Sea : the first thermochromic systems of marine origin. 1994, 77, 1886-1894 EN MER DE CORAIL