Synonyms: 2H-1-Benzopyran-2-one,7-[(6,7-dihydroxy-3,7-dimethyl-2-octenyl)oxy]-, [R-(E)]-; 2H-1-Benzopyran-2-one,7-[[(2E,6R)-6,7-dihydroxy-3,7-dimethyl-2-octenyl]oxy]- (9CI); Coumarin,7-[(6,7-dihydroxy-3,7-dimethyl-2-octenyl)oxy]- (8CI); Marmin (6CI); (+)-Marmin