image/svg+xml O O H phytanic acid O S C o A phytanoyl-CoA O S C o A O H 2-hydroxyphytanoyl-CoA O O H pristanic acid O O S C o A + pristanal formyl-CoA acyl-CoA synthetase phytanoyl-CoA dioxygenase 2-hydroxyphytanoyl-CoA lyase aldehyde dehydrogenase