(S)-carvone + AH2 => (1R,4S)-isodihydrocarvone + A
(s)-carvone + ah2 => (1r,4s)-isodihydrocarvone + a
(S)-carvone + AH2 => (1R,4S)-isodihydrocarvone + A
(s)-carvone + ah2 => (1r,4s)-isodihydrocarvone + a