12-Oxo-cis-10, cis-15-phytodienoic acid 12-Oxo-pda 12-Oxo-phytodienoic acid 12-Oxophytodienoic acid 2-Cyclopentene-1-octanoic acid, 4-oxo-5-(2-pentenyl)- 67204-66-4 8-(2-(cis-2'-Pentenyl)-3-oxo-cis-4-cyclopentenyl)octanoic acid