. . . . "nicotinamide + S-adenosyl-L-methionine = 1-methylnicotinamide + S-adenosyl-L-homocysteine"^^ . "nicotinamide + S-adenosyl-L-methionine = 1-methylnicotinamide + S-adenosyl-L-homocysteine"^^ . "2.1.1.1"^^ . . . . . . . . . "nicotinamide + S-adenosyl-L-methionine = 1-methylnicotinamide + S-adenosyl-L-homocysteine"^^ .