preferred_name: physcion + S-adenosyl-L-homocysteine => emodin + S-adenosyl-L-methionine
preferred_name_lc: physcion + s-adenosyl-l-homocysteine => emodin + s-adenosyl-l-methionine
label: physcion + S-adenosyl-L-homocysteine => emodin + S-adenosyl-L-methionine
label_lc: physcion + s-adenosyl-l-homocysteine => emodin + s-adenosyl-l-methionine