taxifolin + S-adenosyl-L-methionine => taxifolin 4'-methyl ether + S-adenosyl-L-homocysteine + H(+)
taxifolin + s-adenosyl-l-methionine => taxifolin 4'-methyl ether + s-adenosyl-l-homocysteine + h(+)
taxifolin + S-adenosyl-L-methionine => taxifolin 4'-methyl ether + S-adenosyl-L-homocysteine + H(+)
taxifolin + s-adenosyl-l-methionine => taxifolin 4'-methyl ether + s-adenosyl-l-homocysteine + h(+)