Synonyms: 2,4-Pentadienoicacid, 5-(8-hydroxy-1,5-dimethyl-3-oxo-6-oxabicyclo[3.2.1]oct-8-yl)-3-methyl-(8CI); 2,4-Pentadienoic acid,5-(8-hydroxy-1,5-dimethyl-3-oxo-6-oxabicyclo[3.2.1]oct-8-yl)-3-methyl-, [1R-[1a,5a,8S*(2Z,4E)]]-; 6-Oxabicyclo[3.2.1]octane,2,4-pentadienoic acid deriv.; (-)-Neophasic acid; (-)-Phaseic acid; Phaseicacid