2.1.1.121 S-Adenosyl-L-methionine + 6-O-methylnorlaudanosoline the product nororientaline is a precursor of the alkaloid papaverine Argemone platyceras ? - ? 6868 2.1.1.121 S-Adenosyl-L-methionine + 6-O-methylnorlaudanosoline - Argemone platyceras S-Adenosyl-L-homocysteine + nororientaline - ? 6876