preferred_name: (2R)-annullatin F + AH2 => (2R,9S)-annullatin H + A
preferred_name_lc: (2r)-annullatin f + ah2 => (2r,9s)-annullatin h + a
label: (2R)-annullatin F + AH2 => (2R,9S)-annullatin H + A
label_lc: (2r)-annullatin f + ah2 => (2r,9s)-annullatin h + a