Synonyms: 2H-1-Benzopyran-8-carboxaldehyde,3-[2,4-dihydroxy-3-(3-methyl-2-butenyl)phenyl]-3,4-dihydro-7-hydroxy-5-methoxy-,(3R)- (9CI); 2H-1-Benzopyran-8-carboxaldehyde,3-[2,4-dihydroxy-3-(3-methyl-2-butenyl)phenyl]-3,4-dihydro-7-hydroxy-5-methoxy-,(R)-; Kanzonol N