preferred_name: a 3'-hydroxyisoflavone + S-adenosyl-L-methionine => a 3'-methoxyisoflavone + S-adenosyl-L-homocysteine + H(+)
preferred_name_lc: a 3'-hydroxyisoflavone + s-adenosyl-l-methionine => a 3'-methoxyisoflavone + s-adenosyl-l-homocysteine + h(+)
label: a 3'-hydroxyisoflavone + S-adenosyl-L-methionine => a 3'-methoxyisoflavone + S-adenosyl-L-homocysteine + H(+)
label_lc: a 3'-hydroxyisoflavone + s-adenosyl-l-methionine => a 3'-methoxyisoflavone + s-adenosyl-l-homocysteine + h(+)