Analipus japonicus

Analipus japonicus or "sea fir" is a brown alga species in the genus Analipus.

This species contains the phlorotannins difucol, trifucol, tetrafucol A and B, two pentafucols, four hexafucols, a heptafucol mixture and halogenated compounds such as bromo- and chlorotrifucol, 5'-bromo- and 5'-chlorotetrafucol-A as well as 5'-bromo- and 5'-chloropentafucol-A.