preferred_name: precorrin-3B + S-adenosyl-L-methionine <=> precorrin-4 + S-adenosyl-L-homocysteine + 3 H(+)
preferred_name_lc: precorrin-3b + s-adenosyl-l-methionine <=> precorrin-4 + s-adenosyl-l-homocysteine + 3 h(+)
label: precorrin-3B + S-adenosyl-L-methionine <=> precorrin-4 + S-adenosyl-L-homocysteine + 3 H(+)
label_lc: precorrin-3b + s-adenosyl-l-methionine <=> precorrin-4 + s-adenosyl-l-homocysteine + 3 h(+)