Synonyms: Isohelenol;71013-32-6;AC1L4EKL;CHEMBL465750;C09485;(3aR,5R,5aR,8aR,9S)-9-hydroxy-1-(hydroxymethyl)-5,8a-dimethyl-4,5,5a,9-tetrahydro-3aH-azuleno[6,7-b]furan-2,8-dione;Azuleno(6,5-b)furan-2,5-dione, 4,4a,7a,8,9,9a-hexahydro-4-hydroxy-3-(hydroxymethyl)-4a,8-dimethyl-, (4S-(4alpha,4abeta,7aalpha,8alpha,9aalpha))-