preferred_name: precorrin-2 + S-adenosyl-L-methionine <=> precorrin-3A + S-adenosyl-L-homocysteine + H(+)
preferred_name_lc: precorrin-2 + s-adenosyl-l-methionine <=> precorrin-3a + s-adenosyl-l-homocysteine + h(+)
label: precorrin-2 + S-adenosyl-L-methionine <=> precorrin-3A + S-adenosyl-L-homocysteine + H(+)
label_lc: precorrin-2 + s-adenosyl-l-methionine <=> precorrin-3a + s-adenosyl-l-homocysteine + h(+)