preferred_name: 21-O-acetyl-isomeliandiol + A <=> (21S)-21-acetoxyl-apo-melianone + AH2
preferred_name_lc: 21-o-acetyl-isomeliandiol + a <=> (21s)-21-acetoxyl-apo-melianone + ah2
label: 21-O-acetyl-isomeliandiol + A <=> (21S)-21-acetoxyl-apo-melianone + AH2
label_lc: 21-o-acetyl-isomeliandiol + a <=> (21s)-21-acetoxyl-apo-melianone + ah2