preferred_name: (S)-carvone + AH2 => (1R,4S)-isodihydrocarvone + A
preferred_name_lc: (s)-carvone + ah2 => (1r,4s)-isodihydrocarvone + a
label: (S)-carvone + AH2 => (1R,4S)-isodihydrocarvone + A
label_lc: (s)-carvone + ah2 => (1r,4s)-isodihydrocarvone + a