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