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