4-methylnorajmaline + S-adenosyl-L-homocysteine + H(+) => norajmaline + S-adenosyl-L-methionine
4-methylnorajmaline + s-adenosyl-l-homocysteine + h(+) => norajmaline + s-adenosyl-l-methionine
4-methylnorajmaline + S-adenosyl-L-homocysteine + H(+) => norajmaline + S-adenosyl-L-methionine
4-methylnorajmaline + s-adenosyl-l-homocysteine + h(+) => norajmaline + s-adenosyl-l-methionine