chloride + S-adenosyl-L-methionine = chloromethane + S-adenosyl-L-homocysteine
chloride + s-adenosyl-l-methionine = chloromethane + s-adenosyl-l-homocysteine
chloride + S-adenosyl-L-methionine = chloromethane + S-adenosyl-L-homocysteine
chloride + s-adenosyl-l-methionine = chloromethane + s-adenosyl-l-homocysteine