(21S)-21-acetoxyl-apo-melianone + AH2 => 21-O-acetyl-isomeliandiol + A
(21s)-21-acetoxyl-apo-melianone + ah2 => 21-o-acetyl-isomeliandiol + a
(21S)-21-acetoxyl-apo-melianone + AH2 => 21-O-acetyl-isomeliandiol + A
(21s)-21-acetoxyl-apo-melianone + ah2 => 21-o-acetyl-isomeliandiol + a