physcion + S-adenosyl-L-homocysteine => emodin + S-adenosyl-L-methionine
physcion + s-adenosyl-l-homocysteine => emodin + s-adenosyl-l-methionine
physcion + S-adenosyl-L-homocysteine => emodin + S-adenosyl-L-methionine
physcion + s-adenosyl-l-homocysteine => emodin + s-adenosyl-l-methionine