(R)-metanephrine + S-adenosyl-L-homocysteine + H(+) => (R)-normetanephrine + S-adenosyl-L-methionine
(r)-metanephrine + s-adenosyl-l-homocysteine + h(+) => (r)-normetanephrine + s-adenosyl-l-methionine
(R)-metanephrine + S-adenosyl-L-homocysteine + H(+) => (R)-normetanephrine + S-adenosyl-L-methionine
(r)-metanephrine + s-adenosyl-l-homocysteine + h(+) => (r)-normetanephrine + s-adenosyl-l-methionine