(4R)-perillyl alcohol + AH2 => (4R)-limonene + A + H2O
(4r)-perillyl alcohol + ah2 => (4r)-limonene + a + h2o
(4R)-perillyl alcohol + AH2 => (4R)-limonene + A + H2O
(4r)-perillyl alcohol + ah2 => (4r)-limonene + a + h2o