Synonyms: 2,4-Cyclohexadien-1-one,3,5-dihydroxy-4-[[(1R,2S,5S)-2-hydroxy-2-methyl-5-(1-methylethenyl)cyclopentyl]methyl]-6,6-bis(3-methyl-2-butenyl)-2-(2-methyl-1-oxopropyl)-,rel-(+)- (9CI); 2,4-Cyclohexadien-1-one, 3,5-dihydroxy-4-[[2-hydroxy-2-methyl-5-(1-methylethenyl)cyclopentyl]methyl]-6,6-bis(3-methyl-2-butenyl)-2-(2-methyl-1-oxopropyl)-,(1a,2a,5b)-(+)-; Hypercalin C