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