preferred_name: 3',4',5,7-tetrahydroxy-3-methoxyflavone + S-adenosyl-L-homocysteine + H(+) => quercetin + S-adenosyl-L-methionine
preferred_name_lc: 3',4',5,7-tetrahydroxy-3-methoxyflavone + s-adenosyl-l-homocysteine + h(+) => quercetin + s-adenosyl-l-methionine
label: 3',4',5,7-tetrahydroxy-3-methoxyflavone + S-adenosyl-L-homocysteine + H(+) => quercetin + S-adenosyl-L-methionine
label_lc: 3',4',5,7-tetrahydroxy-3-methoxyflavone + s-adenosyl-l-homocysteine + h(+) => quercetin + s-adenosyl-l-methionine