Synonyms: 4H-1-Benzopyran-4-one,2-[5-(3,7-dimethyl-2,6-octadienyl)-2-hydroxy-4-methoxyphenyl]-2,3-dihydro-5,7-dihydroxy-,[S-(E)]-; 4H-1-Benzopyran-4-one,2-[5-[(2E)-3,7-dimethyl-2,6-octadienyl]-2-hydroxy-4-methoxyphenyl]-2,3-dihydro-5,7-dihydroxy-,(2S)- (9CI); Kuwanon U