preferred_name: (6S)-5,6,7,8-tetrahydrofolate + L-methionine => (6S)-5-methyl-5,6,7,8-tetrahydrofolate + L-homocysteine
preferred_name_lc: (6s)-5,6,7,8-tetrahydrofolate + l-methionine => (6s)-5-methyl-5,6,7,8-tetrahydrofolate + l-homocysteine
label: (6S)-5,6,7,8-tetrahydrofolate + L-methionine => (6S)-5-methyl-5,6,7,8-tetrahydrofolate + L-homocysteine
label_lc: (6s)-5,6,7,8-tetrahydrofolate + l-methionine => (6s)-5-methyl-5,6,7,8-tetrahydrofolate + l-homocysteine