ajmaline + S-adenosyl-L-methionine <=> 4-methylajmaline + S-adenosyl-L-homocysteine + H(+)
ajmaline + s-adenosyl-l-methionine <=> 4-methylajmaline + s-adenosyl-l-homocysteine + h(+)
ajmaline + S-adenosyl-L-methionine <=> 4-methylajmaline + S-adenosyl-L-homocysteine + H(+)
ajmaline + s-adenosyl-l-methionine <=> 4-methylajmaline + s-adenosyl-l-homocysteine + h(+)