2.1.1.337 S-adenosyl-L-methionine + (S)-corytuberine = S-adenosyl-L-homocysteine + (S)-magnoflorine (2) - 2.1.1.337 S-adenosyl-L-methionine + (S)-reticuline = S-adenosyl-L-homocysteine + (S)-tembetarine (1) -