preferred_name: Co-precorrin-4 + S-adenosyl-L-homocysteine => Co-precorrin-3 + S-adenosyl-L-methionine
preferred_name_lc: co-precorrin-4 + s-adenosyl-l-homocysteine => co-precorrin-3 + s-adenosyl-l-methionine
label: Co-precorrin-4 + S-adenosyl-L-homocysteine => Co-precorrin-3 + S-adenosyl-L-methionine
label_lc: co-precorrin-4 + s-adenosyl-l-homocysteine => co-precorrin-3 + s-adenosyl-l-methionine