12-hydroxydihydrochelirubine + S-adenosyl-L-methionine <=> dihydromacarpine + S-adenosyl-L-homocysteine + H(+)
12-hydroxydihydrochelirubine + s-adenosyl-l-methionine <=> dihydromacarpine + s-adenosyl-l-homocysteine + h(+)
12-hydroxydihydrochelirubine + S-adenosyl-L-methionine <=> dihydromacarpine + S-adenosyl-L-homocysteine + H(+)
12-hydroxydihydrochelirubine + s-adenosyl-l-methionine <=> dihydromacarpine + s-adenosyl-l-homocysteine + h(+)