preferred_name: 5-hydroxy-3,7,3',4'-tetramethoxyflavone + S-adenosyl-L-homocysteine + H(+) => 3',5-dihydroxy-3,4',7-trimethoxyflavone + S-adenosyl-L-methionine
preferred_name_lc: 5-hydroxy-3,7,3',4'-tetramethoxyflavone + s-adenosyl-l-homocysteine + h(+) => 3',5-dihydroxy-3,4',7-trimethoxyflavone + s-adenosyl-l-methionine
label: 5-hydroxy-3,7,3',4'-tetramethoxyflavone + S-adenosyl-L-homocysteine + H(+) => 3',5-dihydroxy-3,4',7-trimethoxyflavone + S-adenosyl-L-methionine
label_lc: 5-hydroxy-3,7,3',4'-tetramethoxyflavone + s-adenosyl-l-homocysteine + h(+) => 3',5-dihydroxy-3,4',7-trimethoxyflavone + s-adenosyl-l-methionine