3,4'-O-dimethylkaempferol + S-adenosyl-L-homocysteine + H(+) => kaempferide + S-adenosyl-L-methionine
3,4'-o-dimethylkaempferol + s-adenosyl-l-homocysteine + h(+) => kaempferide + s-adenosyl-l-methionine
3,4'-O-dimethylkaempferol + S-adenosyl-L-homocysteine + H(+) => kaempferide + S-adenosyl-L-methionine
3,4'-o-dimethylkaempferol + s-adenosyl-l-homocysteine + h(+) => kaempferide + s-adenosyl-l-methionine