Synonyms: Tei 3356;AC1O5RIZ;Tei-3356;5-(-7-Hydroxy-6-(4-hydroxy-4-methyl-1-octenyl)bicyclo(3.3.0)oct-2-en-3-yl)pentanoic acid;133906-74-8;2-Pentalenepentanoic acid, 1,3a,4,5,6,6a-hexahydro-5-hydroxy-6-(4-hydroxy-4-methyl-1-octenyl)-, (3aS-(3aalpha,5beta,6alpha(1E,4R*),6aalpha))-;5-[(3aS,5R,6R,6aS)-5-hydroxy-6-[(E,4S)-4-hydroxy-4-methyloct-1-enyl]-1,3a,4,5,6,6a-hexahydropentalen-2-yl]pentanoic acid