6,7-O,O-dimethyldeacetylisoipecoside + S-adenosyl-L-homocysteine + H(+) => 7-O-methyldeacetylisoipecoside + S-adenosyl-L-methionine
6,7-o,o-dimethyldeacetylisoipecoside + s-adenosyl-l-homocysteine + h(+) => 7-o-methyldeacetylisoipecoside + s-adenosyl-l-methionine