89470-77-9 2,6,10,14-Hexadecatetraenamide,N-[2-(3,4-dihydroxyphenyl)ethyl]-3,7,11,15-tetramethyl-, (E,E,E)- 89470-81-5 2,6,10,14,18,22-Tetracosahexaenamide,N-[2-(3,4-dihydroxyphenyl)ethyl]-3,7,11,15,19,23-hexamethyl- 89470-83-7 L-Tyrosine,3-hydroxy-N-(3,7,11,15-tetramethyl-1-oxo-2,6,10,14-hexadecatetraenyl)-, methyl ester, (E,E,E)-