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